Question

The park’s main attraction will be the roller coaster Scream Mountain, which will be designed to be fast and fun, but still secure and safe. Scream Mountain’s manufacturer recently built a coaster in England that used 2,500 tons of steel and 50,000 bolts. If Scream Mountain will use 500 more tons of steel than the English coaster, how many bolts will be needed, assuming that the number of bolts is proportional to the amount of steel?
Explain your steps or show your work.

Answer 1

50,000 ÷ 2,500 = 20 bolts
2,500 ÷ 2,500 = 1 ton

20 bolts: 1 ton

20 × 500 = 10,000 more bolts

Hope this helps!