alonzob2367
22.05.2021 •
Mathematics
If 3 men can paint 4 houses in 5 days , how many days does it take for 7 men paint 14 houses ??? help me plz
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Ответ:
3men = 4houses= 5days
7men= 14houses= x days
14÷7 = 2days
Ответ:
x = 5
Step-by-step explanation:
The 2 angles shown are corresponding angles and congruent, hence
23x - 5 = 21x + 5 ( subtract 21x from both sides )
2x - 5 = 5 ( add 5 to both sides )
2x = 10 ( divide both sides by 2 )
x = 5