C because
3/5 * 2 both numbers so that .... 3*2= 6 and 5*2= 10 and those two numbers 6/10 = C when you want to solve a proportion just times in by both numerator and denominator so that they equal another number.
Answer: no, because you are subtracting the 3 rather than adding
Step-by-step explanation:
twins= x + x
brother= x-3
equation =2x + (x-3)
2.37. First we will convert it to an improper fraction:-
2.37 × 100 = 237
So, 2.37 as an improper fraction is :-

Now we will convert to mixed number.
237 goes in 100 two times with 37 left.
So, we will write our mixed number like this:-

So, 2.37 as a mixed number is

Hope i helped ya!!!
It says that the value of a box above two boxes is found by adding the expressions in the two boxes. I filled in the boxes. The top box is 13x + 30, or option B.
.2 is 1/5 as a decimal, because 2/10 broken down is 1/5. we have to write it this way (0.2) because there is no fifths place.