Answer:
j=8
Step-by-step explanation:
30-6=24 divived by 3 = 8 which means jordans age is 8 and matthew is 16
Use this formula:
original amount - new amount
———————————————-
original amount
you just plug in the numbers in this formula now and solve
20-11 9
——— = —- = 0.45
20 20
multiply 0.45 by 100 to convert it into a percent
0.45 * 100 = 45
The answer is 45% !!
If you're looking for x then it's 7. The value of -4 is -4.