Alright, so we'd use the combinations with repetition formula, so we choose from 4 schools to distribute to and distribute 8 blackboards. It's then
( 8+4-1)!/8!(4-1)!=11!/(3!*8!)=165
For at least one blackboard, we first distribute 1 to each school and then have 4 blackboards left, getting (4+4-1)!/4!(4-1)!=7!/(4!*3!)=35
Generally in the US a ton is approximately 907 kilograms and a metric ton is equivalent to 1,000 kilograms
Answer:
16 quarts
Step-by-step explanation:
There are 4 quarts per 1 gallon.
You need 4 gallons total to cover the wall.
4*4=16
Answer:
320
80
Step-by-step explanation:
Answer:
a)
Tom
Tax = (11/100) × 13
Tax = $1.43
Tom paid 13 +1.43 = $14.43
Lyn
Tax = (9/100)× 21
Tax = $1.89
Lyn paid 21 + 1.89 = $22.89
b) Lyn paid more for taxes.