failure by design.
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tax is $2.40 ...? The amount of sales tax varies directly with the cost of the purchase. If the sales tax is $2.40 on a purchase of $40.00, what would be the sales tax on a purchase of $60.50?
A) $3.03
B) $3.63
C) $4.80
D) $4.24
and
The cost of sending a letter is directly proportional to the weight of the letter. Suppose sending a 16-ounce letter to another country costs $1.80.
Find the cost of sending a letter that weighs 36 ounces.
A) $16.02
B) $2.25
C) $64.80
D) $4.05
A) $3.03
B) $3.63
C) $4.80
D) $4.24
and
The cost of sending a letter is directly proportional to the weight of the letter. Suppose sending a 16-ounce letter to another country costs $1.80.
Find the cost of sending a letter that weighs 36 ounces.
A) $16.02
B) $2.25
C) $64.80
D) $4.05