You just have to cross multiply. 20 x 285 = 5700. 5700 / 95 = 60.
He will run 60km
Answer:
37.5 hours.
Step-by-step explanation:
750-300=450
450/12= 37.5
Liza needs to work 37.5 hours.
To check work:
37.5*12=450
Answer:

Step-by-step explanation:
Answer:
81
Step-by-step explanation:
27 total of pupils.
girls 1×27=27
boys 2×27=54
total 54+27=81
Answer:
y=4x would be one
Step-by-step explanation:
I hope its right...