kira's penny bank is 1/6 full. after she adds 200 pennies, it is 1/2 full. how many pennies can kiras bank hold?

asked Jul 2, 2022 154k views

2 votes

by Fook

8.4k points

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4 votes

Let it be x

ATQ

$\\ \sf\longmapsto (x)/(6)+200=(x)/(2)$

$\\ \sf\longmapsto (x)/(2)-(x)/(6)=200$

$\\ \sf\longmapsto (3x-x)/(6)=200$

$\\ \sf\longmapsto 2x=1200$

$\\ \sf\longmapsto x=600$

Trinvh answered Jul 9, 2022