1.4. Frederick works in a grocery store and also mows lawns. He earns $10 per hour a
2 answers:
Answer:
<h2>B. y = -1.5x + 350</h2>Step-by-step explanation:
Givens
- Frederick earns $10 per hour at the grocery store.
- He earns $8.50 per hour mowing lawns.
- He worked 35 hours last week.
represents hours mowing lawns, which make him earn $8.5 each.
represents the total earnings, mowing lawns plus grocery store.
Now, we know that he worked 35 hours in total. So, if he worked mowing lawns, then he worked
hours in the grocery store, which represents +$10 per hour. So, this situation can be expressed as
Then, we solve the operations
Therefore, the right choice is B. y = -1.5x + 350
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Answer:
2 cm.
Step-by-step explanation:
It is given that the area of a square sports arena is 10,000 m².
Area of a square = Square of side.
Let side of square sports arena is x m.
Taking square root on both sides, we get
Side length of a sports arena cannot be negative. So x=100 m.
It is given that each centimeter in map represents 50 m.
50 m = 1 cm
Multiply both sides by 2.
100 m = 2 cm
Therefore, the dimensions of the sports arena on the map is 2 cm.