ABC Distributors purchases Mardi Gras beads for $1.40 a dozen. They then sell the beads for $2.80 a dozen. To the nearest percent, what is the percent markup of the beads?

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

the answer would be c:   ax + b = ax + c

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: