Kate has stamped 155 invitations so far.
Step-by-step explanation:
Given,
Total number of invitations = 234
Envelopes left to stamp = 79
Let,
x be the number of envelopes stamped.
According to given statement;
Stamped envelopes + Envelopes left to stamp = Total invitations
Subtracting 79 from both sides
Kate has stamped 155 invitations so far.
Keywords: linear expression, subtraction
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Answer:
Step-by-step explanation:
To find out how many miles you are going per minute you would find the unit rate. The unit rate is 3.6
You are going at 3.6 minutes per mile.
So you would multiply 3.6 by 7 to get 25.2 minutes.
We start by splitting the shape into two rectangles as shown in the diagram below:
Area of shape A = 10' × 3' = 30'
Area of shape B = 6' × 2' = 12'
Total area = 30' + 12' = 42'