QUIZ 3 - 1TM1

Twice the difference of a number and 1 is 4 more than that number. Find the number.

(a)  

One number is 3 less than another number. If the sum of the two numbers is 177, find each number.

(a)  

A math class has 30 students. Approximately 70% passed their last math test. How many students passed the last math test?

(a)  

The sum of 3 consecutive integers is 258. Find the integers.

(a)  

The ages of 3 sisters are 3 consecutive even integers. If the sum of twice the 1st even integer, 3 times the 2nd even integer, and the 3rd even integer is 34, find each age.

(a)  

a(x) = x + 19 n(x) = 6x - 22

a(5)

(a)  

a(x) = x + 19 n(x) = 6x - 22

n(-9) * a(1)

(a)  

a(x) = x + 19 n(x) = 6x - 22

a(n(12))

(a)  

a(x) = x + 19 n(x) = 6x - 22

n(a(-8))

(a)  

a(x) = x + 19 n(x) = 6x - 22

a(2) - n(-7)

(a)