At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?
1 answer:
You might be interested in
Answer: B.) $1,383.53
Step-by-step explanation:
Given: The total number bricks required to make the wall= 830
The speed of crew= 300 bricks/hour
Total hours they take to make the wall=
The cost of labour =$4,000 per eight-hour
⇒The cost of labour for 1 hour =
Now, the cost of wall=
Hence, B is the right answer, the cost of the new wall= $1383.53