Answer:
Equation: 24 - 2p = 10
Pencils she bought: 7 pencils
Explanation:
Let number of pencils be p
initial money - cost of pens = final money
24 - 2p = 10
Solve this to find pencils she bought:
24 - 2p = 10
-2p = 10 -24
-2p = -14
p = 7
So she bought 7 pencils in total.
