Take note that they spent $18 afterwards having $28 on the card so they're spending money off the card so...
x-18=28
would be the equation for this and to solve do the following.
First add 18 to both sides making the equation.
x=46
2x-2+x+5=90
3x+3=90
-3 -3
3x/3 =87/3
x=29
Answer:not sure but i think 10 *25)/20 * 16 - 10
Step-by-step explanation: i think u use ax+by =f(x^2)
After 14 hours, it will be 9:00 AM.