Sizu Home › Calculators › Mix and Weighted Average
Opens on Chapter 21’s example: Lily’s 90% on a 10-question quiz and 70% on a 40-question test.
Weighted average
The score you need next
A course grade
A two-part blend
Equal money at two prices
Enter your numbers, then press Calculate.
From the book, Chapter 21. (9 + 28) out of 50 is 74%, not 80%. Two branches approving 90% of 20 and 60% of 180 approve 63% overall; one cup of 10% juice and three of 100% make 77.5%. An 82 average over four tests needs 97 next to average 85. With 92 and 78 so far, the final needs 75.3 for 80 overall. A 5-pound blend at $14 from $12 and $18 beans: 3 1/3 lb and 1 2/3 lb. $20 of apples at $2 and $20 at $4 average $2.67 a pound.
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