Answer:
91 hours
Step-by-step explanation:
Add 12 to itself 8 times and then add 7 once
D. 989 sq.m should be the right answer
Answer:
-24
Step-by-step explanation:
-4*2*3= -24
First we define variables:
x: Money Peter receives
y: Money Paul receives
z: Money Jane receives
We write the system of equations:
x / y = 13/12
x / z = 13/7
x = z + 78
Solving the system we have:
x = $ 169
y = 156 $
z = 91 $
Answer:
Paul gets 156 $
