Answer:

Step-by-step explanation:
Tip: When
,
is also true.
| <em>Original equation</em>
| <em>Use tip</em>
Answer:
one card takes 1/12 of an hour or 60/12=5 minutes.
she has 3/4 of an hour or 60×3/4=45 minutes
number of cards she can make =45/5=9
2 times (9+7) is correct.
9 + 7 = 16.
16 multiplied by 2 is 32.
Answer:
D) 8
Step-by-step explanation:
V Large = 4/3 Pi (2r) Cube
V Small = 4/3 Pi (r) Cube
8 r Cube/ r Cube = 8
Answer:
$7
Step-by-step explanation:
70 / 10 = 7