The answer I believe is the second one to the top
Time taken by Diana to finish her project is 5 1/3 hours
Gabe took 1 1/4 times as long as Diana, therefore Gabes time will be:
1 1/4 × 5 1/3
=5/4 × 16/3
=20/3
=6 2/3 hours
Paula took 3/4 times as long as Diana, therefore time taken by Paula will be:
3/4 × 16/3
=4 hours
We want to find one-half of the reciprocal of 7/sqrt(98). Let's write down an expression for this:
We can rewrite 98 into
The square root of 49 is 7
This should be your answer. Let me know if you need any clarifications, thanks!
Equivalent ratios
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value is . Correct option is D) .
<u>Step-by-step explanation:</u>
Here we have , expression to evaluate:
⇒
⇒
We know that , , putting value in equation
⇒
⇒
⇒
⇒
Therefore , value is . Correct option is D)