The candy store is having 30% off sell. emma is going to buy $7.50 worth of candy. how much will she pay after the discount

The answer to this is: $5.25

Hope this helps :)     and can I have brainliest? please

d is correct

step-by-step explanation:

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.