charles and wilma have diffrent internet providers. Charles pays $0.25 per gigabyte of data. wilma pays a flat fee of $20 and $0.05 per gigabyte How many gigabytes of data must each use for charles internet bill to be equal to wilma's interet bill

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}