7, 14 would be it but you have to divide the whole equation by 2 to get the y alone
Answer: $728
Step-by-step explanation:
Look at pic!
His investment will reach 14,100 after 47 quarters or 11 years and 9 months
mary + mom = 36
mom = 5x mary
mary + 5mary = 36
6 mary = 36
mary = 36/6 =6
mary is 6 years old
her mother is 5 x 6 = 30 years old
