Answer:
D.$315
Step-by-step explanation:
$450=100%
100%-20%-10%=70%
$450×70%=$450×70/100
=$315
Four tenths is expressed as .4
five thousandths is expressed as .005
the sum of these is .405 and divided by 2 (there are two numbers we added), we get .2025, that is the average
The number of monkeys in the tree are 24.
<h3>What are percentages?</h3>
Percentage is the fraction of an amount expressed as a number out of hundred. The sign used to represent percentages is %.
<h3>How many monkey are in the tree?</h3>
Number of monkeys in the tree = percent x total number of monkeys
60% x 40
0.6 x 40 = 24
To learn more about percentages, please check: brainly.com/question/25764815
