Let c represent candy and s soda.
2c+s=8
c+s=5.5
Solving the pair of simultaneous equations by eliminating s,
c=2.5
Representing the value of c in equation 1;
5+s=8
s=3
So, a box of Candy costs 2.5 and a soda costs 3
I think the answer is 2 weeks 6 days because if over the course of 2 weeks they took 12 I ready quizzes the he needs 18 quizzes and it leaves 1 day extra
The first step is to determine how accurate your estimation needs to be. Then create the iniatial estimate.
It equals zero negative plus positive equals zero
Check the picture below.
make sure your calculator is in Degree mode.