Answer:
3) 87.9 or 1) 12.5
Step-by-step explanation:
they did multiply then subtract
Raymond's stamp collection ➞x
Alice′s stamp collection➞75%x
75%x-40%×75%x+140=x-20%x
75%x-30%x+140=80%x
45%x+140=80%x
140=80%x-45%x
x=400
Raymond′s stamp collection ➞400
Alice′s stamp collection➞300
Alice sold 300×40%=120
Answer:120
Supplementary: straight line is 180 degree
x + (x-6) = 180
2x = 186
X = 93
Answer: the answer is D
Step-by-step explanation: this is because every time an hour passes its multiplied by $49.00 but $85 is a fixed feee so the x would bethe hour making the last answer correct