Question

Which answer choice represents a person burning 90 calories by climbing 18 flights of stairs?

Answer 1

Answer:

the fist one

Step-by-step explanation:

the number flights of stairs is multiplied by five to get the amount of calories burned. so as we continue the chart it would be like this

flights of stairs climbed                calories burned

• 9                                    l                     45
• 11                                    l                     55
• 13                                   l                     65
• 15                                   l                     75
• 17                                   l                     85
• 18                                   l                     90

i hope this helps :)