Thursday

October 2, 2014

October 2, 2014

Posted by **Izzy.** on Thursday, January 5, 2012 at 10:06pm.

- Math, I NEED HELP.c: -
**Izzy.**, Thursday, January 5, 2012 at 10:29pmD:

- Math, I NEED HELP.c: -
**Reiny**, Friday, January 6, 2012 at 9:06amequation:

cost = yt + x, where t is the number of hours

case1:

4y + x = 63 ---> x = 63-4y

case2:

6y + x = 87 ---> x = 87-6y

so 63-4y = 87-6y

2y = 24

y = 12

back into 1st equation:

x = 63-4(12) = 15

cost equation:

cost = 12t + 15

so for 11 hrs

cost = 12(11)+15

= 147

**Answer this Question**

**Related Questions**

algebra - Simone rented a truck to move to a new apartment last month. The ...

Honors Algebra - Hi, I need some help with my Algebra. This is how it goes: Yet ...

algebra - A tennis club offers two payment options: Option1: $35 monthly fee ...

Algebra - What kind of formula do i use to find out the cheapest rate to use for...

8TH GRADE MATH EXPRESSIONS - At a lake, there are 2 boat rental shops. Shop A ...

math - Video rental Store A charges a membership fee of $25 and $2 for each ...

Algebra - The XYZ Car Rental Agency charges a flat rate of $29 per day plus $.32...

math - One car rental agency charges $20 per day plus $0.25 per mile. A ...

Algebra - Please help me One bowling charges $5.50 for shoe rental plus $2.50 ...

algebra - A car rental company has two rental rates. Rate 1 is $63 per day plus...