The sum of all the measurements is just the average times the number.


So if the average of all 92 is 7 the sum of those is

The average of the last two is 7.2 so their sum is

That means the sum of the first 90 is

so the average of the first 90 is

cm
400 lbs = 0.2 tons
38,600 mg = 3.86 dekagrams
Hope it helps!
Answer:
20$ × 15 = 300
543- 300= 243
243÷ 27= 9
she sold 9 wreaths
Step-by-step explanation:
It would round to 5 because 4.999 is closer to 5 than a decimal (idk if that's 100%)