3.2.PS-18 Question Help
Last month you spent $40 on clothing. This month you spent 110% of what you spent last month. Set
up a proportion to model this situation. How much did you spend this month?
Set up a proportion to model this situation.

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?