Answer:
9
Step-by-step explanation:
40% into a decimal = .40
.40 * 15 = 6
15 - 6 = 9
6
The answer is 6 because 15 x 0.4 which is 40% is 6.
212,214,216
n+n+2+n+4=642
add the n's and 2 and 4
3n+6=642
subtract 6 from both sides
636 divided by 3
you get 212 then add 2 twice.
5,7 given point its korrect now
a