Laura is mailing packages. each small package costs her $3.40 to send. each large package cost her $4.30. how much will it cost her to send 1 small package and 7 large package?

$33.5

Step-by-step explanation:

Given:

Solution:

To send 1 small package and 7 large packages, it would cost

[the cost of 1 small package] + 7 multiplied by [the cost of 1 large package]

which numerically looks like,

3.40 + 7x(4.30)

= 3.40 added to 30.1

=$33.5

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to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

x coordinate is none

step-by-step explanation: