mikeydog5291
14.12.2020 •
Mathematics
Find the percentage change from the first quantity to the second quantity:
From $75 to $90
From 40 cm to 60 cm
From 20 gm to 5 gm
From 60 km/h to 45 km/h
From 5 dozen eggs to 100 eggs
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Ответ:
1) 20% increase
2) 50% increase
3) 75% decrease
4) 25% decrease
5) 66.6667% decrease
Ответ:
56mm
Step-by-step explanation:
A=(a+b)/2 x h
A=(4+12)/2 x 7
A=16/2 x 7
A=8 x 7
A= 56mm