3. $2 for 1 pineapple
4. 35 miles in 1 hour
5. $7 in 1 hour
6. 3 times in 1 second
7. 175 feet in 1 sec
8. 1 glass of juice contains 3 gram of sugar
9. 15 page in 1 day
10. speed of international space station is
7.7 km in 1 second
To cube something means to take it by 3, when used in the sentance, 3 cubed it refers to 3^3 power which means 3*3*3 which equals 21. In this context I'm guessing that they mean 50^3 which would be $125,000.
Hope this helps!=)
I think its b or c but my best guess would be b
5(9 + 7) = 5 x 9 + 5 x 7 = 45 + 35
