Answer: 15.7659
Explanation: the column the 4 is in is the ten thousandths column. Since the number after it is 8, which is bigger than 5, you round up to make is 15.7659
The second and the third one are similar.
Answer: The value of x is 40.25
Answer and Explanation:
Suppose Waheeda needs x more dollars.
Right now, she has $15. She needs x more, so we add x to 15. The end result we hope to have is $75. So, the equation is:
x + 15 = 75
To solve, we simply subtract 15 from both sides: x = 75 - 15 = 60
Thus, she still needs $60.
Hope this helps!