Ratios/proportions problem?
2 Answers
Nov 4, 2017
$10.5, $15.75, $0.7 respectively
Explanation:
Given that lb is the unit of pounds.
3 lb = 31 lb
4.5 lb = (9/2)1 lb
0.2 lb = (1/5)*1 lb
Therefore answers are as follows:
(a) required amount
=
=
(b) required amount
=
=
(c) required amount
=
=
Another solving method: let $x be the value of n lb candies.
which gives the above calculations.
Nov 4, 2017
3lbs will cost = $10.50#
4.5lbs will cost
Explanation:
If 1 lb costs $3.50, 2 lbs will cost twice the amount of $3.50 or
Hence 3lbs will cost
4.5lbs will cost