SOLUTION: The cost of a pair of shoes is 10 times the cost of a pair of socks plus $2. Write two different expressions to describe the cost to purchase 3 pairs of shoes and 3 pairs of socks

Algebra ->  Test -> SOLUTION: The cost of a pair of shoes is 10 times the cost of a pair of socks plus $2. Write two different expressions to describe the cost to purchase 3 pairs of shoes and 3 pairs of socks      Log On


   



Question 1149414: The cost of a pair of shoes is 10 times the cost of a pair of socks plus $2.
Write two different expressions to describe the cost to purchase 3 pairs of shoes and 3 pairs of socks.

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Write two different expressions to describe the cost to purchase 3 pairs of shoes and 3 pairs of socks.
let the cost of a pair of shoes be x and the cost of a pair of socks y

first expressions:
the cost to purchase 3 pairs of shoes is 3x
and 3 pairs of socks is 3y

if the cost of a pair of shoes is 10 times the cost of a pair of socks plus $2, we have
x=10y%2B2, so
second expressions:
3 pairs of shoes is 3%2810y%2B2%29 or 30y%2B6
and 3 pairs of socks is 3y