Yves bought 420 tropical fish for a museum display. he bought 6 times as many parrotfish as angelfish. how many of each type of fish did he buy?

which is a system of equations to model the problem if x represents the number of angelfish yves bought and y represents the number of parrotfish he bought?

a.
x + y = 6
y = 420x

b.
x + 6y = 420
y = 6x

c.
x – y = 420
y = 6x

d.
x + y = 420
y = 6x
you who ever dose and thi is all one question : )

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys