The table below shows the amounts of lemon juice and sugar used in each container of lemonade. the ratio of lemon juice to sugar is 1: r, where r is the unit rate. use the table to determine r. lemon juice (cup) sugar (cup) 1 2 4 3 6

1/2 : 1
2 : 4
3 : 6
Notice that every ratio consists of a number and double the number.

For 1/2 cup lemon juice, use 1 cup sugar.
The amount of sugar is twice the amount of lemon juice.

The ratio is 1:2
Since you are told the ratio is 1:r, that means r is 2.

The unit rate is 2 cups sugar per cup of lemon juice.

It’s 8.99 for john hub b