Britney sells mattresses at a furniture store. she makes a 9.75% commission on each mattress she sells. last week, britney sold four mattresses. the sale price of each mattress is shown in the table.
mattress sale amount
mattress 1 $2400
mattress 2 $3200
mattress 3 $1900
mattress 4 $800

how much did britney earn last week?

enter your answer in the box.

Step-by-step explanation:

so she earns 9.75% commission on each mattress

turn ur percent to a decimaland multiply that by the cost of the mattress and that will give u her commission.

0.0975(2400) + 0.0975(3200) + 0.0975(1900) + 0.0975(800) =

234 + 312 + 185.25 + 175.50 =

906.75 <=== her total commission

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

step-by-step explanation: