Answer:
20 bags should have 30 pieces in them.
Step-by-step explanation:
five out of ten is 1/2
then 1/2 of 40 is 20
therefore there should be twenty bags with 30 pices each.
M5 is the same as m1 so it's 75°
Angle a is one ninth as large as its complement angle b
a+b=180
a=9b
a=18
b=162
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Katie won't have more than 100 shells until the 7th day
