bearing in mind that a solution to a system of equations is where their graph intersect or meets, Check the picture below.
Answer:
Bicycles = 315
Scooters = 630, basic mathematics. The most effective method for these questions is substitution. But I might have intermingled them so double check
The lamp is about 90 cm. to get this answer you take 36 and multiply it by 2.5.
Measure the sides. And when you get all of the sides add them I'll and get the perimeter I think.