Answer:
It takes 6 hours for both to reach an equal paid.
Step-by-step explanation:
You have to form an expressions in terms of x where x determine the number of hours :
Option 1,
$(30 + 9x)
Option 2,
$(14x)
Next, you have to compare it since they want to find out how many hours they work until they reach the same amount :
30 + 9x = 14x
30 = 14x - 9x
30 = 5x
5x = 30
x = 30÷5
x = 6
B would be correct. The first two people, out of 100, would have painted 42.5/100 of the building.
Answer:
A newborn who weighs 2,500 g or less has a low birth weight. Use the information on the right to find the z-score of a 2,500 g baby.
⇒ -2
What is the z-score of a newborn who weighs 4,000 g?
⇒ 1
What weight would give a newborn a z-score of –0.75?
⇒ 3125 grams
Step-by-step explanation: