Answer:
Step-by-step explanation:
MARK BRAINLIEST PLEASE ☺️☺️
First you multiply 20 by .15 and you get 3. Subtract 3 by 20 and you get 17. Now multiply $17 by 30 and you get 510. She spent $510 on 30 calculators
Answer:
The answer is "0.1040"
Step-by-step explanation:
Margin of error

The answer is 1. 3 thousandths
Answer:
17500
Step-by-step explanation:
17499 rounds down
17500 rounds up
Answer: 31 and 33
Step-by-step explanation: THIS IS NOT A VERIFIED ANSWER SO IF ITS WRONG IM AM TERIBLY SORRY BUT CAN I PLEASE GET BRAINLIEST