Assignment:
Q1. Solve the following problems with integers
a. 31+(-18)
b. (-8)+14+5
c. 7Ã-(-13)
d. (-125)÷(-5)
Q2. Solve the following problems with fractions:
a. 3/7 + 2/7
b. 5/8 - 1/4
c. 4/9 + 1/11
c. 1+ 4/7- 3/4
Q3. Solve the following problems with decimals
a. 3.11-4.5
b. 5.27*(-5.81)
c. 11.3/2.2
Q4. Write the answers in 3 as percentages.
Q5. What is 15% of 35?
Q6. Solve the following problem keeping in mind the correct order of operations:
(1+4)*(5+1.1)/3+1
Q7. What are the prime factors of number 50? What about 51?
Q8. You buy $128.95 worth of merchandise. How much is taken off the normal price when it is sold at a 10% discount? How much do you end up paying with this 10% discount?
Provide complete and step by step solution for the question and show calculations and use formulas.