The equation you can use is x + 3x = 428 with x as the number of cheeseburgers and 3x the number of hamburgers
you solve for x and get 4x= 428 and x=107
so 321 hamburgers were sold that day.
Check out the picture I've got the full explanations on there
Hope it's clear
It’s 7x6x5x4x3x2x1
permutation is multiplying
Answer:
Step-by-step explanation:
Bike 12.7 percent, decreases
Scooter 24 percent, increase
Tennis racket, 82.95
Skis 452.40
Answer:
The Area of a circle is

Therefore the Area of Circle A is

Area of Circle B is

Circle C

Circle D
