Exercises1. The sum of both numbers of a number is 14. On having exchanged the numbers of the tens with that of the units, the number increases in 18. It finds the original number.2. The sum of two numbers is 21 and his difference is 5. ¿Which are the numbers?Please I am grateful for them to him very much indeed ...:)
A car dealership lowered all of its car prices by 15%. Given the above information, what was the original price of a car now priced at £9500?
The graphs Ax + By: 18 and Ax - By: 6 intersect in (3,-2). He finds A and B.please I thank you much...:)
the sum of Marys age and her moms age is 67. Three times Marys age increased by 7 is her moms age. How old is Mary and her mother
