What do I respond to a student who say "they prefer working with decimals rather than fractions, because you can use the same algorithm procedure as you do for whole numbers as long as you line up the decimal points "

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

How are algebraic expressions evaluated using substitution?