Quick math help
posted by Anonymous on .
Can someone check my answers on these? Thank you!!
Solve each system using addition or subtraction.
1. x+y=8
xy=4
For the solution I got (6,3)
2. x3y=7
x+2y=2
For the solution I got (4,1)
3. 5s+2t=6
9s+2t=22
For the solution I got (4,13)
4. 2x+3y=13
x3y=2
For the solution I got (5,1)
5. 2m5n=6
2m7n=14
I got (7,4)
6. 3r5s=35
2r5s=30
I need help on this one!!!

An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).  did not match any documents. No pages were found containing " An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).".