Step-by-step explanation:
1 Find common denominator (lower numbers)
2 add numerators(top numbers)
3 put the numerator over the denominator
ex 3/4+2/8
3x2=6,4x2=8
3/4=6/8
6/8+2/8=8/8 or 1
10 the answer is c. i don’t know if that’s correct
<span>twice the sum of a number and seven is 8
2(x+7)=8</span>
Answer:
2.52
Step-by-step explanation:
21*.12=
2.52
