# Tutor profile: Jess J.

## Questions

### Subject: Applied Mathematics

What is 60% of 320?

0.60(320) = 192

### Subject: Pre-Algebra

Evaluate 3 + 6 x (5 + 4) ÷ 3 - 7 using the order of operations.

Solution: Step 1: 3 + 6 x (5 + 4) ÷ 3 - 7 = 3 + 6 x 9 ÷ 3 - 7 Parentheses Step 2: 3 + 6 x 9 ÷ 3 - 7 = 3 + 54 ÷ 3 - 7 Multiplication Step 3: 3 + 54 ÷ 3 - 7 = 3 + 18 - 7 Division Step 4: 3 + 18 - 7 = 21 - 7 Addition Step 5: 21 - 7 = 14 Subtraction

### Subject: Basic Math

If one book costs $222, what is the cost of 2 such notebooks?

Number of books 2. To find out total cost of books multiply 222 with 2. First arrange the multiplication vertically. Now multiply the units digit 2 in 222 by 2. Write the product 4 in the units place. Multiply the tens digit 2 in 222 by 2. Write the product 4 in the tens place. Multiply the hundreds digit 2 in 222 by 2. Write the product 4 in the hundreds place. Hence, 222 × 2 = 444 The cost of 4 such notebooks $ 444

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