Proportion-equation that states that two rations and equal
ex.- 5/10=x/16; 5 times 16=10 times x;
80=10x; x=8
test problem 1) 6/15 = n/25
Step 1) 15 times n = 6 times 25
Step 2) 15 times n = 150
Step 3) n= 150 divided by 15
Step 4) n= 10
Test Problem 2) Is this a proportion? 2/3= 6/9
Step 1) cross multiply to find out! 2 x 9 = 3 x 6
Step 2) 18=18 yes, it is a proportion
answers: 1) 10
2) yes
2) yes