Answer:
20
Step-by-step explanation:
420-400=20
I=1.5m
m+1.5m=20
2.5m=20
m=8
20-8=12
Isobel worked 12 hours.
Answer:
c = 88
Step-by-step explanation:
c/88 = 44/19
19×c = 44×38
19c = 1672
c = 88
19y-9. you distribute -3 into (-4y +3) to get 12y -9 and then you combine like terms so 12y +7y to get 19y and you still have the -9 so the simplest form would be 19y-9
Answer:
2
Step-by-step explanation: