Question

1. One day Reema puts 50 key rings for sale in her store. She sells some of the key rings. The next day she adds the number that was unsold and sells the same number as sold the first day. On the third day she adds twice the unsold number and sells the same number as on the first day, leaving nothing left over. How many key chains were sold the first day?​

Answer 1

• Answer=50rings.

Step-by-step explanation:

Reema puts 50 key rings For sale in her store.

first day sell rings=x

2nd day sale rings=x+x-50=2x-50.

3rd day sale rings=2x+(2x-50)=4x-50.

A/Question

→2x-50=4x-50

→4x-2x=100

→2x=100

→x=100/2

•:x=50

Answer 2

The Answer is in Attachment

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