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sergij07 [2.7K]
2 years ago
5

15 members of the Drama Club can make set decorations for their musical in 12 hours. After 4 hours have passed, a few teachers c

ame to help, and the group completed the remaining work in 6 hours. How many teachers helped?
PLEASE help!!! I WILL AWARD BRAINLIEST.
Mathematics
1 answer:
Serga [27]2 years ago
4 0

Answer:

5 teachers

Step-by-step explanation:

We know that the 15 members finished 1/3 of the job in 4 hours. When the teachers came they finished 2/3 of the job in 6 hours. So they finished 1/3 of the join in 3 hours of we simplify it.

4 hour: 15 minutes

3 hour: ?

15/3 x 4= 20 teaches. Then we do 20-15=5 because there were originally 15 members.

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