ok heres the deal i have to do 4 hard questions if someone answer them i will give 30 points and brainlest
1. keylin attempted to make muffins to take to a neighbor who just moved in. the recipe she used required 1 1/4 cups of sugar and 1/2 cup of butter.
keylin accidentally used a whole cup (1) of butter. how many cups of sugar should she use so that the ratio of sugar to butter remains the same?
.
question 1 options:
2 1/2 cups of sugar
2/5 cup of sugar
3 3/4 cups of sugar
4/5 cup of sugar
question 2
a train traveled 3/8 of the distance between two cities in 3/4 of an hour.
at this rate, what fraction of the distance between the two cities can the train travel in one hour?
think: which variable is independent (x) and which variable is dependent (y). find the unit rate.
question 2 options:
3/16
3/4
1/2
1 1/2
3. drawbridge rises at a constant rate. it takes 1 1/2 minutes for the drawbridge to rise 6/20 of its total height. how much time, in minutes (x), does it take for the drawbridge to reach its total height (y)? once you find the unit rate, apply it to raising the bridge completely
1/5 of a minute
9/20 minute
2 2/9 minutes
5 minutes
last question
helen made a graph that represents the amount of money she earns, y, for the number of hours she works, x. the graph is a straight line that passes through the origin and the point (1, 15). which of the following statements must be true?
question 7 options:
helen earns $15 for one hour of work
helen works 15 hours and earns $1.00
helen earns $15 per day
helen earns $1.00 per hour of work
remember they all should be right