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hectorgonzalejr333
16.09.2019 •
Mathematics
Milly has $83.50 in her savings account. she deposits $15 every week. her mother also deposits $10 into the account every time milly washes the car. her savings account balance can be shown with the following expression: 10c + 15w + 83.50 part a: identify a coefficient, a variable, and a constant in this expression. (3 points) part b: if milly saves for 15 weeks and washes the car 4 times, how much will she have in her account? show your work to receive full credit. (4 points) part c: if milly’s mom deposited $20 after each car wash, would the coefficient, variable, or constant in the expression change? why? (3 points)
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Ответ:
Variable: C
Coefficient: 10
Part B: 10(4) + 15(15) + 83.50=348.50
Part C: The coefficient would change because the mom is depositing $20 instead of $15
Ответ:
L = length of string
L * .30 = 40m
L = 40 / .30
Length of the whole string = 133.3333333333 m
70% = .70 * 133.3333333333 = 93.3333333333m