What does this problem equal? 2x8+18-41=
2 answers:
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Whatever% of anything is just (whatever/100) * anything.
thus, what is 80% of M, well is just (80/100) * M,
what is 50% of N? well is just (50/100) * N.
we know they're both equal, thus
thus, what is 80% of M, well is just (80/100) * M,
what is 50% of N? well is just (50/100) * N.
we know they're both equal, thus
Answer:
a =
Step-by-step explanation:
4a -16 = a - 15
both left and right -a
then
4a - 16 -a = a - 15 -a
then
4a -a -16 = a -a -15
then
3a -16 = -15
both left and right + 16
then
3a -16 + 16 = -15 + 16
then
3a = 1
both left and right ÷3
then
3a ÷ 3 =1 ÷ 3
then
a =
