Answer:
I think its A, Because if you look at the problome A makes sense
1) 5.0
2) same
Hope that helped
And number two is equal because the 0 on the end don't count.
You could ask an teacher if you want, I mean I don't mine
1)
=
2)
=
3)
=
Step-by-step explanation:
We need to solve following expressions.
1) 
We need to multiply numerator with numerator and denominator with denominator
Solving:

It cannot be further simplified so,
=
2) one third of 3/7
one third stands for 1/3
Now solving:

We need to multiply numerator with numerator and denominator with denominator

It cannot be further simplified so,
=
3) 
In this question we have to multiply 1.5 with 3.7

So,
=
Learn More:
You can find more information about multiplication of fractions at:
brainly.com/question/2456302
brainly.com/question/2166248
Keywords: fractions, multiplication
#learnwithBrainly
Answer:
k=61, l=61, m58
Step-by-step explanation:
5x+21=2x+45
3x=24
x=8