What is 15% of 80? use an equation to solve.

12 is 15% of 80

Step-by-step explanation:

15. percent *80 =

(15.:100)*80 =

(15.*80):100 =

1200:100 = 12

Now we have: 15. percent of 80 = 12

Percentage solution with steps:

Step 1: Our output value is 80.

Step 2: We represent the unknown value with

Step 3: From step 1 above

Step 4: Similarly

Step 5: This results in a pair of simple equations:

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

Step 7: Again, the reciprocal of both sides gives

Step-by-step explanation:

Hope it is helpful

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.