Lacy has completed 80% of the questions on her science homework. There are 30 questions in all. How many more questions does she need to complete?

wow nice  question but sorry can't answer

Step-by-step explanation:

24

Step-by-step explanation: you turn the 80% in to fraction 4/5 than divided 30 by witch is 6 than that means 6=1/5 meaning 4/5 =80 a so you mutiply 6 by 4 wicth =24

answer: the answer is one of

step-by-step explanation:   we are given to write a proper fraction where the whole is divided into an even number of equal parts less than ten, and an odd number of those parts exist.

an even number less than 10 may be one of 2, 4, 6 or 8. so, the whole may be one of these four evens.

now, an odd number of these parts must exist, so the numerator must be an odd number, one of 1, 3, 5 or 7. it cannot be 9 because then the fraction will become improper.

thus, our fraction may be one of the following

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step-by-step explanation: