Number of toothpicks required per student = At least 9
Total number of students = 30
Number of toothpicks required for the entire class = At least 9 × 30 = At least 270
Number of toothpicks in the bag in the class storage room = 50
Additional number of toothpicks required to be bought to make sure there are enough toothpicks = 270 - 50 = 220
Hence, she needs to buy 220 toothpicks.
Answer:
n < 5
Step-by-step explanation:
8n+6 < 46
1. subtract 6 from both sides
8n < 40
2. Divide both sides by 8
40/8 = 5
So n<5
Answer:
0.0053
Step-by-step explanation:
Look at the 2 significant figures which are non-zero digits.
The two figures are 5 and 4, the digit after 4 is 3, which is lower than 5, so we don’t have to add +1 to the 4.
Answer:
32.50
Step-by-step explanation:
I took the test
