If 7 apples cost y cents, how many can you buy for x dollars?
(a) (7y)/x ; (b) (7x)/y ; (c) (700y)/x ; (d) (700x)/y .
(a)
2 Answers
(d) i.e.
Explanation:
As
Hence one dollar will buy
Hence answer is (d).
option d
Explanation:
If you find it difficult to work with variables, make an easy example first. Once you know what you did with the numbers, do the same with the variables.
If 5 apples cost 50 cents, how many can you buy for 3 dollars?
One apple costs
With
What did we do?
Cents divided by the number of apples told us the cost of
Change dollars to cents
Divide by the cost of
In one step:
=
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If
With
