Answer:
Umm I'm not entirely sure but I think its the last one
Answer:
30 (I think you mistyped one of the answer choices)
Step-by-step explanation:
170+10=180
180÷6=30
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
Answer:
963 hours
Step-by-step explanation:
I subtracted 20 from the 981
The base should be 4.
Area=1/2* b *h
4*7=28/2=14.