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Leona [35]
3 years ago
8

A group of friends is addressing wedding invitations. Casey can address 22 envelopes in one hour, Anne can address 46 envelopes

in two hours, and Paula can address 70 envelopes in three hours. About how long will it take them to address 450 envelopes?
A. 19.57 hours
B. 23.00 hours
C. 7.34 hours
D. 6.59 hours
Mathematics
2 answers:
DENIUS [597]3 years ago
7 0

Answer:

D. 6.59 hours

Step-by-step explanation:

First, divide 46 by 2.

46 / 2 = 23

Next, divide 70 by 3.

70 / 3 = 23.3333333... (rounded to 23.33)

Then, add them together and multiply by 6.59.

22 + 23 + 23.33 = 68.33

68.33 * 6.59 = 450.2947

Round it to the nearest ones place, and you get 450.

stepan [7]3 years ago
5 0

Answer:

6.30

Step-by-step explanation:

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