The difference between interests in 3 yrs, at 7% and 5% p. a of a sum of money is Rs 30. Find the sum. Answer is supposed to be Rs 500

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

5x−4≥12 or 12x+5≤−4 can you with this problem