I would recommend her to use kilograms:
grams are the standard weight unit used in the majority of the countries and in science- that's why it's better than pounds.
But kilograms are better than grams, since a watermelon weights around 2 kg, so it's easier to remember than 2000 grams.
6 Toppings I think just ask Siri $1.25 x 5 and add that to $9
<u><em>The correct answer here is d</em></u>
d = 3a + 3b
d - 3a = 3b
d - 3a/3 = b
I would say D please tell me if I’m wrong :)
6 kilometers is bigger than 600 centimeters