plssss someone helppppppp asap!!!!!-thank you to whoever dose.

Question

At a particular restaurant, each mini hotdog has 70 calories and each pizza roll has 50 calories. A combination meal with pizza rolls and mini hotdogs is shown to have 1190 total calories and twice as many pizza rolls as there are mini hotdogs. Determine the number of mini hotdogs in the combination meal and the number of pizza rolls in the combination meal.

Answer 1

Let h = number of hotdogs (each is 70 cal)

Let p = number of pizza rolls (each is 50 cal), and twice as many pizzas as hotdogs

(70) h + (50) p = 1190

But we know that p = 2 h, so

(70) h + (50) (2 h) = 1190

70h + 100h = 1190

170h = 1190

Divide both sides by 170 to isolate h:

h = 1190 / 170 = 7

So number of hotdogs = 7