Answer: 5...
Step-by-step explanation:
Answer:
y=135
Step-by-step explanation:
To find the solution, we must put 7 in for x and solve, as shown:

Answer:
factor out 1/4 from the expression
1/4x(1-3x)
His baby brother sleeps 21 hours.
There's a total of 24 hours in a day so you can divide by 8. That means 1/8 of the day is equal to 3 hours, so 7 times 3 hours equals 21 hours