Help me on #4 please.

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.