Your brother lends you $125 at an annual interest rate of 25%. if you want to pay no more than $62.50 in simple interest, in how many years will you need to pay off the loan? use the formula: i = prt.

How to solve a simultaneous equation involved with fractions?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.