Harriet is comparing the costs of calling cards. to use card a, the cost is $1.00 to connect and then $0.04 per minute. to use c

Question

4 years ago

12

Harriet is comparing the costs of calling cards. to use card a, the cost is $1.00 to connect and then $0.04 per minute. to use c

ard b, it costs $0.65 to connect and then $0.06 per minute. for what number of minutes does it cost the same amount to use each card for a single call? (enter only the number.)

Mathematics

1 answer:

Charra [1.4K] · Answer 1 · 2021-11-19T14:56:57+03:00

Charra [1.4K]4 years ago

3 0

$1 + 0.04x = 0 .65 + 0.06x$
Solve that.
You get 50 min