An item was 180$. it dropped to 90$. what was the percentage decrease?

Keisha spent 56$ on fruit at the grocery store. She spent a total of 80$ at the store. What percentage of the total did she spend on fruit?

In developing the ways of calculating time, astronomers divided an hour into 60 minutes. Why is 60 a better choice than 59 or 61?

The approximate distance of the moon from Earth is 4 x 105 km and the average approximate distance from the Earth to Venus is 4 x 107 km. How much farther is Venus from Earth than the moon?

What is the solution to n/4 = - 12.4?

Zane bought the following items during a recent shopping trip: two shirts for $26 each three T-shirts for $19.25 each one pair of jeans for $68.50 How much did he spend?

An energy drink company claims that its product increases students' memory levels. To support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported

Suppose an investment of $3,800 doubles in value every decade. the function gives the value of the investment after x decades. how much is the investment worth after 2 decades? a. $152,000 b. $15,200 c. $76,000 d. $7,600

Find the difference of 3 5/9 - 1 3/9

What is the new length of 11. AB with length 3.6 cm is dilated with a scale factor AB? a. 1.2 cm b. 3.3 cm c. 6.6 cm d. 10.8 cm

Marsha and Mary have a combined age of 36. Marsha is twice as old as Mary. how old is Mary