Instructions
Complete the following math problems. Show your work where necessary.
1. Solve the following equations:
a) 3x + 5 = 20
b) 7y - 4 = 2y + 11
2. Simplify the following expressions:
a) 4(2x + 3) - 6
b) 5a - 2(a + 4)
3. Calculate the area of the following shapes:
a) A rectangle with length 10cm and width 5cm
b) A triangle with base 8cm and height 5cm
4. Problem Solving:
A book costs $15, and there is a 20% discount on it. How much will you pay for the book after the discount?
Bonus: If you bought 3 books, what would be the total cost after the discount?