Answer:
Step-by-step explanation:
<u>Given:</u>
<u>Comparing the total cost, work out the value of x:</u>
- 2x + x + 0.2 = 3.80
- 3x = 3.60
- x = 1.20
A. sandwiches per hours is 4.5/hour
b. hours per sandwich is 0.33/sandwich
The answer to the third question is that the root of the chord is a Gb.