The average grade of an English class rose fro 70 to 85, what is the approximate percent increase?
1 answer:
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Answer:
The GCF of 42 and 55 is 1.
Step-by-step explanation:
sorry it took me a while to write in my book
42 AND 55 ARE A PAIR OF CO-PRIME NUMBERS
CO PRIME:a pair of numbers which have the only common factor as 1 is called as co prime
34 is 85% of 40
Change the percentage into a decimal by dividing over 100:
Divide 34 over 0.85:
Change the percentage into a decimal by dividing over 100:
Divide 34 over 0.85: