Answer:
$1.89
Step-by-step explanation:
1) 8p+3f=$10.39
2) 5p+4f=$10.51
where p represents pencil & f represents folder.
multiply the first equation by 5 and the second equation by 8.
40p+15f=$51.95
40p+32f=$84.08
Subtract
17f=$32.13
f=$32.13/17 =$1.89
Answer:
8 hours
Step-by-step explanation:
3x = 24
x = 8
Answer:
A
Step-by-step explanation:
Take 7 % turn into decial then dived
Function A does not seem to be a linear equation so there is not a slope.