Mathematics
Mathematics, 18.10.2019 06:30, ethanberry9960

Mr. luca would like to purchase a digital
keyboard for each of his 3 nieces and
1 nephew. the keyboard costs $105.
a. mr. luca thinks the total cost should
be about $200. is this amount
reasonable? explain.
b. write and solve an equation to find the total cost of the keyboards. explain why your answer is reasonable.

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Mr. luca would like to purchase a digital
keyboard for each of his 3 nieces and
1 nephew...

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