Answer:
Yes, Her father is correct.
Step-by-step explanation:
75/15=5 which means that there will be fifteen rows, with five pennies in each row. Since one side has 5 pennies and the other has fifteen, the sides are different and form a rectangle. To check your work, you can do 15*5 which equals 75 the rectangle of pennies should look like this:
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
Answer:
100000
Step-by-step explanation:
10 x 10 x 10 x 10 x 10
<span>7% * ? = 21
? =
21 : 7% =
21 / (7 : 100) =
(100 * 21) / 7 =
300
</span>
The answer will be -5/2 or -2.5