People grapes
1 6
5 30
? 426

use the table to determine how many people ate if 426 grapes were used?

1:6

5:30

?:426

You would take the ratio of each one which is simply 1:6, so to reduce ?:426 into 1:6, you would divide 426/6=71, so it would be

71:426

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.