1. 0.54
2. 0.14
3. 38.44
4. 28.5
look at the decimal places in each number did you see the number do you see the number that the number of decimals that battle that the numbers have I have to do is first you know that the decimals in both numbers did you see how to answer to number 3.1 then afterwards the number double
Answer:
UV=142
Step-by-step explanation:
21x-13=10x+31
+13 +13
21x=10x+44
-10x=-10x
11x=44
÷11 ÷11
x=4
now substitute 4 in place of x (only have to solve one)
21(4)-13= 71
now multiply your answer by 2
71×2=142