PLEASE DO NOT STEAL POINTS A cement mason starts making concrete by mixing 212 pounds of sand to 314 pounds of gravel. The mason uses 414 pounds of sand and gravel to start the concrete. How many pounds of gravel does the mason use? the options for the answers are
a. 180 pounds
b. 234 pounds
c. 318 pounds

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Answer for 10 points show work you guys in advanced < 3