A box was 3/4 full.the box fell on the floor. 30 marbles fell out. this was 20% of the marbles that were in the box. how many marbles are in a full box
Answers
Answered by
3
Answer:
200
Step-by-step explanation:
let number of marbles be x in a full box.
according to the question
20%of 3x/4 = 30
=> 60x/400 = 30
=> 6x = 30×40
=> x= 30×40 / 6
=> x = 200
therefore total number of marbles in a full box
= 200
hope this helps you
Answered by
4
Answer:
200
Step-by-step explanation:
20% of the 3/4 of box is equal to 30
20% taken as 1/5 in below equation
- x*1/5*3/4=30
- x*3/20=30
- x=200
Answer: 200 marbles
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