30 divided by 4 is 7.5, so that as a mixed number could be 7 1/2.
A) 20.9
b) (230 + x) / 12 = 22
230 + x = 264
x = 34 years old
Answer: are their options?
Step-by-step explanation:
Answer:
"all real numbers."
Step-by-step explanation:
Subtract 13 from both sides, obtaining -5x = -5x.
This result is true for all x, so the solution set is "all real numbers."
Answer:
2 liters
Step-by-step explanation:
There are 5 beakers in total, in which David adds 0.4 liters into each of them.
To solve, multiply 5 with 0.4: 5 x 0.4 = 2.0
2.0 or 2 liters is your answer.
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