Answer:
1.85
Step-by-step explanation:
20.2-18.35=1.85
Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90
Answer:
2(10x10x10)
Step-by-step explanation:
Answer:
66
Step-by-step explanation:
57 x 2= 114
180-114= 66
Answer:
Step-by-step explanation:9m -3m +2n = 6m+2n
