Question

Mrs.Iachetta's recipe for salad dressing uses a ratio of 1 part olive oil to 2 parts vinegar. if she uses 3 cups of olive oil, how much vinegar will she need?
Marc's grades are as follows: reading,88; math,92; science,96; social studies, 90; and language arts, 94. which classes are compared by the ratio 94:90? (write them as a ratio.)

a map shows a scale of 1 inch=50 miles. how many miles are represented by 4.5 inches on the map?

Answer 1

Answer:

1, 1:2 = 3:x

1/2 = 3/x.......(Criss cross)

x = 3x2/1 = 6 cups

2,. language arts : social studies

3,. 1/50 = 4.5/ x.....(Criss cross)

x = 50 x 4.5/1 = 225 miles

Answer 2

Answer:

Step-by-step explanation:

3:1

8:8 ,9:2, 9:6, 9:0, 9:4     social studies and language arts

4.5 x 50 = 225 mi