Answer:c
Step-by-step explanation:
B because 13 x 13 = 169
3.14 x 169 = 530.7
Answer:
8
Step-by-step explanation:
3(8-m)=5m-40
you first distribute 3 through the parenthesis
24-3m=5m-40
Move the variable to the left and change sign
24-3m-5m=-40
now move the constant to the right
-3m-5m=-40-24
collect like terms
-8m=-40-24
-8m=-64
Divide both sides by -8 and negative divide negative number becomes positive
so m = 8
Simply divide 650/676=.9615 or 96.15%. So there was 3.85% error
r = Julio's hourly rate
1.4 * r = Julios over 30 hours rate.
last week he worked 30 hours at regular rate, 30r, and 5 extra hours at 1.4r, we happen to know all that is really $436.60.
b = Maggie's brother's age
m = Maggie's age
