Question

24. Math 40% of what number is 24? Check Solve this word problem. 25. Rob's salary last year was $45,000. If he receives a 4% raise this year, what will be the dollar amount of his raise? What will his new salary be? Math Math 2

Answer 1

(24) Suppose that 40% of * is 24 ie 40% of x = 2 40 XX: 24 loo x 100: 24 X 100 Too 402: 1400 40x ५० 2400 : 2340 40 = 60 X: 60 Check 40% of 60 = 40 x 60 = 4x6 =24 25 Rob's Solary = $45,000 Increase in salary & 4% 4% of $ 45,000 = x 45.000 10% 1800 Raise in salory = $1800 New salary = 45,000+ 1800 = $ 46,800 New Salary = 46,800

required Given that 2 t cups flour is for 27 biscuits. ie to make 27 biscuits = 24 cups of flouris Yesuirea to make 1 biscuit 2 1 1 cups of floor 27 is required Tous, to make 24 biscuits : x24 cups of 27 floor is required 28 cups of flour 3 2 Yx27 = 2 cups of flour is required for flour is 24 biscuits 2 cups of required

Given that cost of medical insurance increased from $250 per month to $350 per month so increase in Cost : $350 - $250 = $100 per month percentage increase - to 250 X106 - 40% so increased percentage -40% check 40% of 250 oyo x250 IPP - 100 so new Cost of insurance .250 +10o = 35o

Answer 2

SOLUTION :

24.

Let the number be x .

So,

40% of x = 24 

=> 40/100  * x = 24 

=> 0.4 x = 24

Divide by 0.4 (both sides)

=> x = 24/0.4 

=> x = the required number = 60 (ANSWER)

25.

Increase in salary 

= 4% of 45000 ($)

= 4/100 * 45000

= 1800 ($) (ANSWER).

New salary 

= Previous salary + increase in salary

= 45000 + 1800 

= 46800 ($) (ANDSWER).

21.

27 biscuits require 2 1/4 = 9/4 cups of floor.

So, 1 biscuit requires = (9/4) / 27 = 1/12 cup of floor

So, 24 biscuits will need = 1/12 * 24 = 2 cups of floor  (ANSWER)

22.

Percentage increase 

= (New cost - Old cost) / Old cost. * 100

= (350 - 250) / 250 * 100

= 100 / 250 * 100

= 40 % (ANSWER)