Answer:
7/10
Step-by-step explanation:
2/5 + 3/10
Find the LCM of Denominators.
The LCM is 10.
Divide the LCM by the denominator of the first fraction and multiply the result by the numerator. Also do same with the second fraction. Add the results of both fractions and let the lcm be the denominator of the added results.
We have
4 + 3 /10
7/10
A.45*
B.135*
C.55*
D.125*
Answer:
18
Step-by-step explanation:
solve by going backwards.
1+2, then doubled, +2, doubled.
In algebraic expression would I have an + sign or??