On Monday, Luis picked up five scones and six large coffees for the office staff. He paid $23.91. On Tuesday, Rachel picked up two scones an

Question

On Monday, Luis picked up five scones and six large coffees for the office staff. He paid $23.91. On Tuesday, Rachel picked up two scones and seven large coffees for the office staff. She paid $17.89.

What is the cost of one scone?

What is the cost of one large coffee?​

in progress 0
Thu Giang 3 years 2021-08-19T08:09:32+00:00 1 Answers 5 views 0

Answers ( )

  1. binhan
    0
    2021-08-19T08:11:17+00:00
    Reply

    Answer:

    Step-by-step explanation:

    5s + 6c = 23.91

    2s + 7c = 17.89

    10s + 12c = 47.82

    -10s – 35c = -89.45

    -23c = -41.63

    c =  $1.81 for a large coffee

    2s + 7(1.81) = 17.89

    2s = 5.22

    s = $2.61 for a scone

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )