Answer:
Equation: 557=2x+57
Let x=hamburgers sold
Solution: 250 hamburgers
Step-by-step explanation:
1. Subtract 57 from both sides of the equation
2. Divide both sides of the equation by 2
3. x=250
Answer:
For each part, find how many numbers have the stated characteristic, then divide by 21.
e.g. multiples of 5:
these would be 10, 15, 20, 25, and 30
so prob (a multiple of 5 ) = 5/21
Do the others the same way
Answer:
I got 1 sorry if it's wrong
___-1=10-3
x-1=10-3
x-1=7
x=8
therefore the blank is 8
The answer to the question is C
