Answer: x=5 y=6
Step-by-step explanation: 6y=3× +21
6y-6=2× +20
Opposite sides of the rectangle are equal
Substitute 3x +21 into 6y in the second equation.
Answer:
693.6
Step-by-step explanation:
3.)
180-90-59=x
X=31
4.)
180-73-79=x
X=28
8/8 is bigger than 3/4 because 8/8 is equivalent to 1 and 1 is bigger than 3/4.
Answer:
he will dig for 15 hours
Step-by-step explanation:
if a miner digs —90 feets in 6 hours
then he will dig –225 feet in x hours
—225 feet x 6 hours /—90 feet = 15 hours
