Answer:
10
Step-by-step explanation:
3 - (-7)
two - turn into +
so,
3 + 7 = 10
Answer:
27 people
Step-by-step explanation:
Out of 10 people, 7 people ordered a hot dog.
Multiply both sides by 9:
Out of 90 people, 
people ordered a hot dog.
Thus, 63 people ordered a hot dog.
Number of people who did not order a hot dog: 
We want to study a general product, and find information about the ones place.
We will see that the ones place is always zero.
We have the expression:
10×?
Where ? can be any number between 1 and 9 (only whole ones)
What is true about the digit of the ones place (the first digit at the left of the decimal point) in each product?
Let's give ? some different values and see what happens:
10×1 = 10
10×2 = 20
10×3 = 30
etc...
We can see that the ones place will always be equal to zero.
If you want to learn more, you can read:
brainly.com/question/16552177
Answer:
x=2 and 2/3
Step-by-step explanation:
7/8 = 0.875.....multiply by 100 to get ur percent = 87.5%
