There are 3 system of equations
It takes 8 dozens of flour.
5x4=20 so the person needs 4 times more than 2 dozens. 2x4=8 therefor, the person needs 8 dozens of flour.
Answer:
Step-by-step explanation:
we divide every term by 2 and we get:
10x/2 + 6y/2 +5/2= 5x +3y+5/2
Answer:
730
Step-by-step explanation:
A(X)= 2πRH+2πR^2
A(X)=2π(7.5)(8)+2π(7.5)^2=730.42 = 730
66x12=792 pupils can ride on 12 buses