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3 years ago

I need help on this ASAP please

Mathematics

1 answer:

omeli [17]3 years ago

7 0

C = calls
m=minutes

.21c+.06m = 1.95
.21(5)+.06m = 1.95
1.05+.06m = 1.95
-1.05 -1.05
.06m = .90
÷ .06 ÷.06
m= 16

ANSWER: In total, Kathy talked for 16 minutes
OR m = 16

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