A shopkeeper bought some lunch bags at Rs.25 per bag and vegetable
bags at Rs.35 per bag in the ratio of 7:6. He sold them at a profit of
respectively. He earned a profit of Rs.392 after selling all the bags. find the
number of lunch bags bought.
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Answer:
28
Step-by-step explanation:
from ratio let the no. of lunch bags be 7x and vegetable bags be 6x;
.
. . price of lunch bags is 7x * 25 and
that of vegetable bags is 6x * 35,
20°/• of (7x * 25) = 35x
30°/• of (6x * 35) = 63x
35x + 63x = 392
.
. . x = 4
and lunch bags = 7x = 7*4 = 28
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