For 12, you would do 90=4x+42, and 48=4x, and x=12
for 15, you would do 90=8x+66, and 24=8x, and x=3
for 18, you would do 90=3x+57, and 33=3x, and x=11
Answer:
6/8
9/12
12/16
Step-by-step explanation:
Answer:
edit: i was wrong ignore me
Answer:
1
Step-by-step explanation:
