Answer:
Step-by-step explanation:
I can not answer because the information is not specific and not enough to be answered
Answer:
3x+1=3x+1
Step-by-step explanation:
Answer:
1) 90
Step-by-step explanation:
157.50 / 7 = 22.50 or 270 / 12 = 22.50
22.50 * 4 = 90