20 points plz
what is the conversion factor and amount of tuna she needs 150 students?
a school lunch program has prepared tuna and noodles for its students for years. the school has grown lately and the food service manager noticed that the dish is increasingly popular among students.

tuna and noodles - yield 50
enriched noodles 2.5 lbs
canned chunk tuna 6.5 lbs
non-fat milk 1 gallon
margarine 8 oz

the conversion factor is so she needs lbs of tuna.

1.2
3
4

2.7.5
9
19.5