Answer:
Step-by-step explanation:
Answer:
There were 45 questions.
Step-by-step explanation:
20 out of a hundred is one fifth. this one fifth of the test is nine questions. we want to find the whole number so we do 9 times 5 to get he other 80% which means 45 questions on the test.
B - 16 m2
solve:
(pi)x2^2=12.6
(pi)x3^2=28.3
28.3-12.6=15.7
round to 16
the 9th term for 4,10,16,12 is add 6
Multiply the price of the item by the percentage off, then subtract it from the price of the item.
x= sale price
x= $150 - ($150 * 40%)
x= 150 - (150 * 0.40)
x= 150 - 60
x= $90 sale price
CHECK:
=150*60%
=$90
You can also find the sale price this way. Multiply the original price by 100-sale percent).
ANSWER: The sale price is $90.
Hope this helps! :)
