The probability that the next 4 winners will all be 7th grade students is 3/4
Answer: $9 dollars
Step-by-step explanation:
27 divided by 3 = 9
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Answer:
Alvin: 49
Elga: 40
Step-by-step explanation:
- The equation is 89 = x + (x-9).
- Remove the parenthesis and combine the like terms. 89 = 2x - 9
- Add 9 on both sides. 98 = 2x
- Divide by 2 on both sides. x = 49
- 49 is the age of Alvin. (49-9) 40 is the age of Elga.
30 000 + 7 000 + 800 + 30 + 1
