sushikaya1205
10.02.2021 •
Mathematics
Mia said that 2 - 3a = 11 and 3a -2 +1 have the same solution. Is she correct? Explain.
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Ответ:
Minus 2 from both sides
-3a=9
a=-3
3a-3=1
Plus 3 to both sides
3a=4
a=4/3
No
Ответ:
48 died
Step-by-step explanation:
2 out of 5 survived that means 5-2 = 3
3 out of 5 died
Multiply that fraction that died by the total number
3/5 * 80
48