Okay i’m pretty sure it’s the first one, 1 square and 4 triangles.
Answer:
???
Step-by-step explanation:
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Answer:
divide or add
Step-by-step explanation: pemdas
parenthesis
exponent
multiply or divide
add or subtract
To solve for this we will be using the formula S = D/T
S = Speed
D = Distance
T = Time
First we need to re-arrange this formula to solve for time
T= D/S
T = 400/230
T=1.74 hours
.74 hours is close enough to .75 that we can say it is 45 minutes
So it is 1 hour and 45 minutes
Of means multiplication
So
![\frac{3}{4} \sf{of} \frac{16}{21} = \frac{3}{4} \times \frac{16}{21}](https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B4%7D%20%5Csf%7Bof%7D%20%20%5Cfrac%7B16%7D%7B21%7D%20%20%3D%20%20%5Cfrac%7B3%7D%7B4%7D%20%5Ctimes%20%20%5Cfrac%7B16%7D%7B21%7D%20)
And then simplify the numerator ad denominator
=
![\frac{3 \times 16}{4 \times 21} = \frac{\ 1 \times 16}{4 \times 7}](https://tex.z-dn.net/?f=%20%5Cfrac%7B3%20%5Ctimes%2016%7D%7B4%20%5Ctimes%2021%7D%20%3D%20%20%5Cfrac%7B%5C%201%20%5Ctimes%2016%7D%7B4%20%5Ctimes%207%7D)
And simplify the numerator and denominator again
=
![\frac{\ 1 \times 16}{4 \times 7} = \frac{\ 1 \times 4}{1 \times 7}](https://tex.z-dn.net/?f=%5Cfrac%7B%5C%201%20%5Ctimes%2016%7D%7B4%20%5Ctimes%207%7D%20%3D%20%5Cfrac%7B%5C%201%20%5Ctimes%204%7D%7B1%20%5Ctimes%207%7D)
And we are finally left with the answer which is