Answer:
The number of bikes she sell is 5 that is the option<u> a </u>.
Step-by-step explanation:
Given:
Taylor sells bikes for $120 and pens $80.
She sold 12 items and made $1,160.
Now, to find the bikes she sell.
Let the number of bikes be
And the number of pens be
So, the total number of items:
.......(1)
Now, the total money made by selling the bikes and pens:
<em>Adding both sides by 40y we get:</em>
<em>Subtracting both sides by 1160 we get:</em>
<em>Dividing both sides by 40 we get:</em>
Now, putting the value of in equation (1) we get:
Therefore, the number of bikes she sell is 5 that is the option <u>a </u>.