josecito
30.07.2019 •
Mathematics
The lenght of a rectangle is 3 times the width.the preimeter is 120 meters.find the length and width
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Ответ:
2L+2W=120
2*3W+2W=120
6W+2W=120
8W=120
W=120/8
W=15 M. FOR THE WIDTH.
L=3*15=45 M. FOR THE LENGTH.
PROOF:
2*45+2*15=120
90+30=120
120=120
Hope this solution works! If not, I’m very sorry. :(
Ответ:
the answer is is 12 bc 4 - 5 - 6 - 3= 12