Mark spent 135$ on his comic book collection. he just sold it online for 310$. approximately what is the profit as a percent of his original cost? A 56%
B 130%
C 44%
D 230%

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9