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B.   10 ¹/₂ hours

Step-by-step explanation:

mon 1¹/₂

tue 1³/₄

wed 2

1¹/₂ + 1³/₄ + 2 = 5.25 hours for 3 days

for 6 days = 5.25 x 2 = 10.5 hours

therefore

the total number of hours is 10 ¹/₂ hours

answer: plz put a pic in so i can answer it

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have