Answer:
120 baseball cards
Step-by-step explanation:
15 × 2 = 30
30 + 10 = 40
40 ÷ 1/3 = 40 × 3/1 = 120
Therefore there were 120 cards in the back
<em>I just did the inverse of each process starting from the last step and ending at the first</em>
Answer:
10 times 2x = 30
Step-by-step explanation:
Tried my best
Answer: D. (15)
The sample Mean of the two credit cards given are $140 and $125 respectively.
The difference between the mean purchase of the two cards gives:
$140 - $125 =$15
Answer:
571.42857142857
Step-by-step explanation:
