10.8k views
3 votes
I need help on questions 7 9 10 all explained

I need help on questions 7 9 10 all explained-example-1
User Drojf
by
7.8k points

1 Answer

2 votes

Total (y)

Number of hours (x)

Parts= 352

charged per hour = 58

________________________________

The general expression of installation costs

y = 58*x + 352

___________________

total = 671

671 = 58*x + 352

58*x= 671-352

58*x= 671-352

58 x= 319

x= 5.5

_________________

Checking

y= 58*(5.5 ) + 352

y= 319 + 352

y = 671

____________________

The job took 5.5 h

I need help on questions 7 9 10 all explained-example-1
User Ariamckinley
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories