What do you need help with? it helps us to know the question!
There is 100,000,000km2 of land area
Kieva made 8 cupcakes. 8 * 5 + 8 = 48 desserts.
In order to get this, you just have to try out different numbers of cupcakes and adjust based on whether it's too many desserts total, or not enough.
Another way to figure it out is to say that 1 cupcake + 5 cookies = 6 desserts. Then just divide 48 by 6 to get 8 which will then show you that Kieva made 8 cupcakes.
Yes it is a direct variation
Her mother is 40 years old because 10 times 4 equals 40 because it’s adding 10 times in a row like 10 + 10 + 10 + 10 = 40