Solve:
Do the parenthesis first, so 4*9=36
Now multiply it by 1.
1*36=36
Final answer: 36
158.71 rounded to the nearest ten dollars would be $160.00
then to estimate 10% since 10% starts with a 1, just remove the zero from both numbers
so 160 becomes 16
the tip would be $16
Answer:
Step-by-step explanation:
Given: 
To find: 
Solution:
From the image, 
Put 
Therefore,
Equation:
3 x 5 = 15
15 cookies is the answer.
Sarah and her 4 friends are 5 people in total.
They are each getting 3 cookies.
You are adding three cookies for each friend. That is the same as multiplying 5 times.
