A druggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other containing 40% of
2 answers:
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Answer:
See below (I hope this helps!)
Step-by-step explanation:
When dividing exponential terms of the same base, we can simply subtract the exponents, therefore:
Answer:
88 score.
Step-by-step explanation:
Given:
To get a B in math, Alexandria Pappas must<u> average 80</u> on five tests.
Scores on the first four tests were <em>82, 74, 82, and 74.</em>
Question asked:
What is the lowest score that she can get on the last test and still get a B?
Solution:
Let lowest score she can get on the last test =
As we know:
By cross multiplication:-
Thus, she can get 88 score on the last test to get a B in math.