Answer:
12
Step-by-step explanation:
0 + 1 + 2 + 3+ 4 + 5 + 6 + 7 +8 + 9 + 10 + 11 seems to equal 66. That means there are 11 + 1 = 12 people (don’t forget to count the person who shakes 0 hands)
Answer:
25× 1/10 = 5/2
Step-by-step explanation:
5/2 or 2.5 lies between 2 and 3
Answer:
a 8 parts b 8 3|4 = 3×2|4×2=b|8
Step-by-step explanation:
Answer:
93.33 miles
Step-by-step explanation:
60 min/ 20 min = 3
280/3 = 93.333333
Answer:
You can do these "in your head" like this:
50 dimes would be $5.00
Each quarter adds 15 cents.
10.25 - 55.00 = $5.25 added
Step-by-step explanation:
525/15 = 35 quarters
--> 15 dimes
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or,
d + q = 50
10d + 25q = 1025
etc