Twilight nerd 4 LIFE!!!
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in pre- al we are taking story problems and making them into an equation and solve it... but there's one problem... i dont get how to do it!!! so please help me cause i have alot of questions that need to be answered!!! thank you!!!
Find 2 whole numbers with a sum of 15 and a product of 54
It takes 8 painters 6 hours to paint the walls of a gymnasium.
a) how many person-hours does this job require?
b) how many hours will 12 painters take to paint the gymnasium?
Cathy has a collection of dimes and quarters. The number if dimes equals the number of quarters. She has a total of $2.80. How many of each coin does Cathy have? (hint: let n= the number of dimes. Since each dime has a value of $.10, the value of n dimes if 10n. Since the number of quarters is also n, the value of n quarters is 25n. Also change the value of $2.80 to its value in cents.)
The weight of an object on Venus is about 9/10 of its weight on Earth. The weight of an object on Jupiter is about 13/5 times its weight on Earth.
a) If a rock weigh 23 lbs on Venus, how much would it weigh on Earth?
b) If the same rock were on Jupiter, how much would it weigh?
Jackson, Petra, and Tyrone went to the beach and collected seashells over the weekend. Jackson collected s seashells. Petra and Tyrone each collected 13 fewer than twice the number of seashells Jackson collected. At the end of the weekend, they had 94 seashells. How many seashells did each person collect?
What id the solution of d+3.95+.25d=7.70?
6 5 4 or 3
The perimeter of a rectangle is 15 ft. The height of the rectangle is 3 more that twice its base.
a) Write an equation to model this situation
b) Solve the equation and find the height
please show your work and thanks again for helping me!!!
Find 2 whole numbers with a sum of 15 and a product of 54
It takes 8 painters 6 hours to paint the walls of a gymnasium.
a) how many person-hours does this job require?
b) how many hours will 12 painters take to paint the gymnasium?
Cathy has a collection of dimes and quarters. The number if dimes equals the number of quarters. She has a total of $2.80. How many of each coin does Cathy have? (hint: let n= the number of dimes. Since each dime has a value of $.10, the value of n dimes if 10n. Since the number of quarters is also n, the value of n quarters is 25n. Also change the value of $2.80 to its value in cents.)
The weight of an object on Venus is about 9/10 of its weight on Earth. The weight of an object on Jupiter is about 13/5 times its weight on Earth.
a) If a rock weigh 23 lbs on Venus, how much would it weigh on Earth?
b) If the same rock were on Jupiter, how much would it weigh?
Jackson, Petra, and Tyrone went to the beach and collected seashells over the weekend. Jackson collected s seashells. Petra and Tyrone each collected 13 fewer than twice the number of seashells Jackson collected. At the end of the weekend, they had 94 seashells. How many seashells did each person collect?
What id the solution of d+3.95+.25d=7.70?
6 5 4 or 3
The perimeter of a rectangle is 15 ft. The height of the rectangle is 3 more that twice its base.
a) Write an equation to model this situation
b) Solve the equation and find the height
please show your work and thanks again for helping me!!!