Answer:
5.15
Step-by-step explanation:
5.15 = 3a + 2.15
5.15 - 2.15 = 3a
3.15 = 3a
a = 0.05
I hope this helps you :)
9
12/7 bag of flour is required to make 3 batches of cookies
From the question;
2/7 bag of flour makes 1/2 of a batch of cookies
x bag of flour will make 3 batches of cookies
Mathematically, we cross multiply
2/7 * 3 = 1/2 * x
6/7 = x/2
2 * 6 = 7 * x
12 = 7x
x = 12/7 bag of flour
2 to 3 weeks for my mom and dad the got their shots
I hope this is right, I used demos
