Plz !
how to find the percent of 0.9% of 1000? and explain

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.