Answer:
b
Step-by-step explanation:
21/7=3mins per wall with 5 people.
Because we assume that all of the people paint at the same rate, 3 X 5=15 mins for one person working alone.
15/3=5 mins per wall with 3 people X 10 people= 50 mins for 3 people to paint 10 walls.
The answer is 50 mins.
1st one RS=DE,
second one T=F,
last one R=D
Answer:
B. SUBTRACTION PROPERTY OF EQUALITY
Step-by-step explanation:
4/5 llllllllllllllllllllllllllllllllllllllllllll
