10. Kate bought 10 apples at $x for 4 apples, m bananas at $1.25 each, (3n + 1) oranges at $3.00 for
4 oranges. Find the total cost of the fruits she bought.
Answers
Given : Kate bought 10 apples at $x for 4 apples, m bananas at $1.25 each, (3n + 1) oranges at $3.00 for 4 oranges.
To Find : the total cost of the fruits she bought.
Solution:
4 apples cost $x
=> 1 apple cost = $x/4
=> 10 apples cost = 10 *x/4 = $ 2.5x
1 Banana cost = $ 1.25
=> m Bananas cost = $ 1.25m
4 oranges cost = $ 3
1 orange cost = $ 3/4 = $ 0.75
3n + 1 oranges cost = (3n + 1)(0.75) = $ 2.25n + 0.75
total cost of the fruits she bought. = (2.5x + 1.25m + 2.25n + 0.75) $
$ (2.5x + 1.25m + 2.25n + 0.75) is the total cost of the fruits she bought.
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