Calib received $50 for his birthday and put it in his piggy bank. Each week, he puts 2 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 2w + 50, where w is the number of weeks he has saved 2 dollars. His sister Lara makes a table of reasonable values for w. Lara selects 14 as a value for w.

What is the corresponding table entry for D?

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31 December, 18:47

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Lawson Walton · Answer 1

Its 28 because you know he's adding 2 dollars a week, and if it's 14 weeks you just go 14*2 and you'd get $28