kayla942783
23.03.2021 •
Mathematics
I need help on both of the question
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Ответ:
:)
Step-by-step explanation:
1/2 times 5= 5/2= 2 1/2
3/4 times 8= 24/4= 6
1=5/2
2=24/4 or 6
Ответ:
13.95*a+10.95*b=012.95*12
a=12-b
13.95*(12-b)+10.95*b=15.54
16.74-13.95b+10.95*b=15.54
-0.03*b=-0.12
b=4.0
a=12-b
a=8.0 lb at $13.95 b=4.0 lb at $10.95
check
13.95*8.0+10.95*4.0=12.95*12
11.16+04.38=15.54
15.54=15.54
ok