8 star fruit cost $16. How many star fruit can you buy for $8?

4 star fruit.

Step-by-step explanation:

16/8 = 2

each star fruit is 2 dollars

so 8/2 = 4

you can buy 4 star fruit for 8 dollars.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.