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jeffljr7385
02.09.2019 •
Mathematics
If (7b+3)÷3=80,, then 2b= a) 67.72 b) 22.86 c) 38.86 d) 45.71 which one is the right
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Ответ:
×3 both sides
7b+3=240
-3 both sides
7b=237
÷7 both sides
b=33.86
2b=
2×33.86= 67.72
A
Ответ:
It is one half the area of a rectangle with sides 6 units × 2 units