Question

A store sells T-shirts for $10 each and jeans for $20 a pair. Anna spends $150 on T-shirts and jeans. She buys x T-shirts and y pairs of jeans. The equation that represents the situation is . If Anna decides to buy only T-shirts and no jeans, she can buy T-shirts with the money she has. NextReset

Answer 1

10x + 20y = 150 and she can buy 15 t-shirts

Answer 2

$150 - $10x - $20y ( the amount she is left with )

Then dividie by 10

150-10x-20y/10
10(15-x-2y)/10
15-x-2y

And so the answer to your question is 15-x-2y