Paul bought a soft drink and a sandwich for $9.90. what equation may be used to find the price of each item if the sandwich cost 3.5 times as much as the soft drink? a) x = 9.90 b) 2x = 9.90 c) 3.5x = 9.90 eliminate d) 3.5x + x = 9.90

D

Step-by-step explanation:

The other ones don't make sense. The answer is 3.5x+x=9.90

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

step-by-step explanation: