67 is the correct answer trust me i just answered and got it correct.
Answer:

8,3*0,25=2,10%(2d.p)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Start with the given

Divide the two on both sides to get

Step-by-step explanation:
3 1/2 = 7 /2
2 1/2 = 5 /2
7/2 - 5/2
= 2/2 = 1
hope it helpful
The unit rate is found by dividing the amount earned by the number of hours worked. So
unit rate = amount earned / number of hours worked = 51 / 6 = $8.5 / hour