Ahmed is taking orders for lunch. a slice of pizza cost $2.50 and a chicken sandwich cost $3.50. he collects $21.50 for the group of 7. let x= number of pizza orders. let y= number of chicken orders. assuming each person only orders one item. how many people order the chicken sandwich?

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

15 points ! ~ see if you know the answer to both you!

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.