60 blocks in 30 min
18 blocks in 9 min
Method 1
60-18 = 42
42 blocks in 21 min
Method 2
30-9 =21 min
Answer:
Add 3 each time. (for question #8)
Step-by-step explanation:
9+3=12
12+3=15
15+3=18
18+3=21
21+3=24
24+3=27
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The greatest common factor of 75, 105, & 220 would be 5.
Answer:
x = 11
Step-by-step explanation:
4x + 7 = 6x -15
4x - 6x = -15-7
-2x = -22 / : (-2)
x = 11
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)
