SUMMATIVE #4
1. Answer the following. Write a solution if needed. Encircle the letter of your final answer.
1. 3x – 1 = 1 can be read as
A. the difference of three and one is one
C. a number decreased by one is equal to 1
B. thrice a number decreased by one is equal to 1. D. all of the above
2. What is the mathematical sentence for "thrice a number increased by 18 is 33”?
A. 3x + 18 = 33 B. 3x - 18 = 33 C. 3x + 18 < 33 D. 3x + 18 > 33
3. Xyra's money plus Yanxi's money is at least 100 pesos.
A. x+y= 100
B. x+y > 100 C. x+y 100
D. x+y> 100
4. Albert's age added to Baki's age is at most 35.
A. A+B= 35
B. A+B 35
C. A+B 35
D. A+B35