Answer:
A. 31/100
Step-by-step explanation:
Change 3/10 to hundreds:
3/10 × 10/10 = 30/100
The denominator (the bottom number) must be 100.
61 - 30 is 31.
The missing number is 31/100. See image.
Answer:
C
Step-by-step explanation:
Number 4
Answer:
2(x+5) = 2x+10
Step-by-step explanation:
2(x+5)
= 2*x + 2*5
= 2x+10
Answer:
With the increase of the value of a ,the value of the expression 20+a will also increase.
Step-by-step explanation:
21.50 x 25 = 537.50
10.75 x 5 = 53.75
537.50 + 53.75 = 591.25