Lời Giải
Lời Giải
Các bước giải pháp
Translate the problem into an equation
Solve the equation
Ví dụ phổ biến
Ten years ago, Sarah was thrice as old as Mark. If Sarah is currently 40 years old, how old is MArk?michael is 10 times as old as carol. if the sum of carol and her father, michael is 100. what is their present agesThe product of two consecutive positive integers is 42. Write and solve a quadratic equation to find the solutions. Then show how you use those solutions to find the two consecutive positive integers.The sum of 4 consecutive integers is-54 . What is the greatest integer?plane can fly 1020 miles in the same time as it takes a car to go 360 miles. If the car travels 110 mph slower than the plane, find the speed of the plane.