Answer:
Frank must buy 2 pens to have equal number of each pens
Answer:
10.50
Step-by-step explanation:
5% of 10 is 0.5
0.5+10=10.50
$15.75
2 x 7.5 = 15
0.10 x 7.5 = 0.75
15 + 0.75 = $15.75
Hope this helped
Answer:
not all of them are proportional because they do not all equal the same.
Step-by-step explanation: