Answer:
4 years old
Step-by-step explanation:
Tracy's age = x
Tracy's mother's age = 6x
x + 6x = 28
7x = 28
x = 4
Tracy is 4 years old
(3x+7)+26=90
3x+33=90
3x=90-33
3x=57
X=19 is the value of x shown below
Answer:
It is 38 meters!!!!!!
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
He can buy 5 boxes of light bulbs..
20 x 5= 100
He only has 120 to spend - the shipping = 110
He can't get another box of lightbulbs. Therefor he can only buy 5!