kayleetweedy1
03.07.2019 •
Mathematics
Agumball machine contains 23 green gumballs, 52 red gumballs, 34 blue gumballs, 61 yellow gumballs, and 300 pink gumballs. what percentage of the gumballs are red?
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Ответ:
26%
Step-by-step explanation:
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