When finding the mean you add up the numbers that are needed to find the mean and divide them by the amount of numbers you added. For example question 5 you will add 58+58+62+55+49+48 which will equal 330 and then divide it by 6 because there are 6 numbers which is 55.
1) 3x
2)2y
hope this helps you!
0.45 * 2 is 0.9
$1.44 * 2 is $2.88
$1.44/9 is $0.16
$0.16 * 2 is $0.32
$2.88+$0.32 is $3.20
The answer is $3.20
24 students are left. 1/3 of 90 is 30 leaving 60 kids to give their speeches the next day. 2/5 of the rest of the students will be left after today when 3/5 give their speeches. so .4 * 60= 24
Answer: 7
Step-by-step explanation: