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kondor19780726 [428]
3 years ago
8

Andrew’s math teacher entered the seventh-grade students in a math competition. There was an enrollment fee of $30 and also an $

11 charge for each packet of 10 tests. The total cost was $151. How many tests were purchased?
use a tape diagram to solve and if-then statement
Mathematics
2 answers:
algol [13]3 years ago
4 0

Answer:

p=11 packets were purchased

Step-by-step explanation:

30+11p=151

11p=121

then

121/11

so

p=11

Hope I understood the question :/

otez555 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

I believe the correct answer is that Andrew's Math Teacher purchased 11 packets of 10 tests each, meaning that the total number of test would be 110. I got this by subtracting the $30 entrance fee from the $151. After doing this we are left with $121. I then divided the $121 by the cost per packet and I was left with 11 packets. Since every packet contains 10 tests I multiplied that by the number of packets to get the final answer... 110 tests purchased.

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