How to get the answer to my sister is 9 1/2 years old. my brother is 4 3/4 years younger than my sister how old is my brother

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

What is not true about kl and mn? what is mn? (show )

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?