Mathematics, 17.02.2021 07:10 yudayang2012pa9u8p
A teacher purchased 20 calculators and 10 measuring tapes for her class and paid $495. Later, she realized that she didn't order enough supplies. She placed another order of 8 of the same calculators and 1 more of the same measure tape and paid $178.50.The system represents the situation
`20c+10m=495`
`8c+1m=178.50`
Find the cost of one calculator and the cost of one measure tape using one of our methods of solving systems.
Answers: 2
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A teacher purchased 20 calculators and 10 measuring tapes for her class and paid $495. Later, she re...
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