Afurniture store is having a sale on couches. if a couch that originally costs $3400 is on sale for 15% off, what is the actual cost of the couch?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?