Answer:
- 3.2
Step-by-step explanation:
- 5x + 4 = 20
- 5x = 20 - 4
- 5x = 16
x = 16 / - 5
x = - 3.2
A.
estimate: 8/5
quotient:1.6
b.
estimate: 7
quotient: 7
c.
estimate: 15/2
quotient:7.5
Find the unit rate:
1/4 yd 1(5)
---------- = -------- = 5/4 yards, or 1 1/4 yards, in one hour. This is 1.25 yards.
1/5 hr 4(1)
1 1/2
because 1 1/2 equals 1 3/6. so 1 3/6 is bigger than 1 1/6.
The answer is actually 2187.36. So, rounded, it is 2187