31. Dorothy buys her groceries online. The total cost that Dorothy pays is the sum of the

cost of her groceries and a flat-rate shipping fee of $6.1. Which equation shows the

correct relationship between the cost of Dorothy's online grocery purchases and the

total cost, including shipping?

A. R = X + 6.1, where X represents total cost ($) and R represents groceries ($).

B. R = 6.1X, where R represents total cost ($) and X represents groceries ($).

C. X = R - 6.1, where R represents total cost ($) and X represents groceries (5).

D. R = x + 6.1, where R represents total cost ($) and X represents groceries ($).

Question

Cassandra Christensen

Mathematics

9 November, 02:26

31. Dorothy buys her groceries online. The total cost that Dorothy pays is the sum of the

cost of her groceries and a flat-rate shipping fee of $6.1. Which equation shows the

correct relationship between the cost of Dorothy's online grocery purchases and the

total cost, including shipping?

A. R = X + 6.1, where X represents total cost ($) and R represents groceries ($).

B. R = 6.1X, where R represents total cost ($) and X represents groceries ($).

C. X = R - 6.1, where R represents total cost ($) and X represents groceries (5).

D. R = x + 6.1, where R represents total cost ($) and X represents groceries ($).

+5

Answers (1)

Know the Answer?

Braelyn Rush · Answer 1

D) R = x + 6.1

Step-by-step explanation:

Let x represent groceries

R represents the total cost

Total cost = cost of groceries + flat rate shipping fee

R = x + 6.1