house-painting company charges a $376 base rate plus $12 per hour. Another painting company charges a base rate of $280 plus $15 per hour.
How long is a job for which both companies will charge the same amount?
a) hours
b) How much will the job in part "a" cost?
$
+3078
house-painting company charges a $376 base rate plus $12 per hour.
Another painting company charges a base rate of $280 plus $15 per hour.
How long is a job for which both companies will charge the same amount?
280 + 15H = 376 + 12H
15H – 12H = 376 – 280
3H = 96
H = 32 ==> a. 32 hours
280 + (15)(32) =
280 + 480 = 760 ==> b. $760
confirm answer
Does 376 + (12)(32) = 760 ?
376 + 384 = 760 ?
760 = 760 True
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