Question

A one-cup serving of spaghetti with meatballs contains 260 calories and 32 grams of carbohydrates. A one-cup serving of chopped icebergetice contains 5 calories and gram of carbohydrates Determine how many servings of each would be required to obtain 135 calories and 17 grams of carbohydrates How many serving) of spaghet would be required (Round to the nearestbeth) How many serving() of iceberg lettuce would be required (Round to the nearest th)

Answer 1

Sol write the data tabular form, NO, Caluies 260 Carbohydrates 32 x Spaghetti chopped iceberg 5 - y Assume No. of servings of Yo No-of chopped iceberg X spaghetti SO 2600 Bayera - 135 10 ( caldies ( Galdres reguired] 32 xty - 17 el carbohydrates Yesured 2601+ 54 divide egn 1 with 5 52x +y = 2746 Subteract ① from & 52174=27 32x+y = 17 2023 10 az 10 20 2=0.5

place a value in een 0 7602+54 -135 5y = 135 -260(0.5) ya 135130 5 y come 21 8o No. of servings of spaghetti required -0.5 No ob servings of chopped iceberg required

Sol let IN sculpture painting y photograph - Z X+y+ 3 = 305.370 (total cost) selling price of 9 na $ 52.m mathan y=52+ z ② Together yand ² sold for $21.5m. More than 2 Y+7 2 21:5+X+) put equation ③ in 0 X+ (21.5+) = 305.3 21+ 21.5 - 305. 3 az 305.3 -21.5 $141.9m 2 place a value in egn 3) 4+2 =21:5+141.9 9+k2 163.4 6

y =52+Z Y-7 = 52 Now add egn 6 y - £=52 1-7 Y+= 163.4 2y = 215.4 y 2 215-4 2 thin value in = $10 7.7m place egn 6 ytta 63.4 7-163.4-1077 F = $55.77