the deli sells 3 times as many tuna sandwiches in one month as roast beef. How many more tuna sandwiches were sold than roast beef in 5 months. explain.

twice the total number of Roast Beef sandwiches the deli sold in the 5 months

Step-by-step explanation:

Define Rb1, Rb2, Rb3, Rb4, Rb5 as

Rb1 = # of roast beef sandwiches the deli sold in month 1

Rb2 = # of roast beef sandwiches the deli sold in month 2

Rb3 = # of roast beef sandwiches the deli sold in month 3

Rb4 = # of roast beef sandwiches the deli sold in month 4

Rb5 = # of roast beef sandwiches the deli sold in month 5

Then,

# of tuna sandwiches sold in month 1 = 3 Rb1,

# of tuna sandwiches sold in month 2 = 3 Rb2,

# of tuna sandwiches sold in month 3 = 3 Rb3,

# of tuna sandwiches sold in month 4 = 3 Rb4,

# of tuna sandwiches sold in month 5 = 3 Rb5.

The deli sold

(3 Rb1 + 3 Rb2 + 3 Rb3 + 3 Rb4 + 3 Rb5) - (Rb1 + Rb2 + Rb3 + Rb4 + Rb5)  =

2 Rb1 + 2 Rb2 + 2 Rb3 + 2 Rb4 + 2 Rb5 =

2 (Rb1 + Rb2 + Rb3 + Rb4 + Rb5) =

twice the total number of Roast Beef sandwiches the deli sold in the 5 months

c. 27 units.

step-by-step explanation:

we are told that in circle a, ∠bae ≅ ∠dae.

we can see from our given diagram that in and ;

, as these are radii of our given circle.

therefore, by sas congruence postulate.

hence, side be will be equal to side de as corresponding parts of congruent triangles are congruent. so we can set an equation to find the value of x as:

now let us substitute x=17 in the expression for the length of be.

therefore, length of be will be 27 units and option c is the correct choice.

i am not sure :

step-by-step explanation: