Posted by Miley on Monday, February 7, 2011 at 7:40pm.
Yuki made cookies on Monday. Some friends came over and ate half the cookies on Tuesday. On wednesday,Yuki ate three cookies, and on Thursday, she took two cookies to school. By Friday, Yuki had seven cookies left. How many did she bake on Monday?
Please i need help

Math7  helper, Monday, February 7, 2011 at 7:49pm
x = number of cookies
x  (1/2 x + 3 + 2) = 7
x  (1/2 x + 5) = 7
2/2 x  1/2 x  5 = 7
1/2 x  5 = 7
1/2 x = 12
multiply both side by 2
x = 24

Math7  Miley, Monday, February 7, 2011 at 7:55pm
Thank you!
I did one exercise and could you please check it
The temperature at 2:00 P.M was 19C. By midnight, it was 3C
What is the difference in the temperatures?
_____________=________
I thing the answer is:
(+19)(+22)=3
Correct?

Math7  Miley, Monday, February 7, 2011 at 8:11pm
Correct?

Math7  Ms. Sue, Monday, February 7, 2011 at 8:25pm
How can a difference between 19 and  3 be only 3 degrees?

Math7  helper, Monday, February 7, 2011 at 8:25pm
From 19C to 3C is 22 degrees difference

Math7  Miley, Monday, February 7, 2011 at 8:46pm
Thank you!!
Answer This Question
Related Questions
 Math  Yuki made cookies on Monday. Some friends came over and ate half the ...
 math  Alex came home after school one day and found that his mother had left a ...
 math  Ms.Montoya class baked cookies for school festival.They sold three fifths...
 math  When 6year old Melanie arrived home from school, she was the first to ...
 5th grade math  Edna baked cookies. She ate 1/5 of the cookies and gave 1/3 of ...
 math  three friends are sharing 36 cookies. jerry states that he wants 25% of ...
 MATH  three brothers try to divide some cookies. The oldest brother gets half ...
 Math  Kerri's father bill was a baker. Out of his usual morning batch of ...
 Math  Jill made some cookies. Jill gave 1/4 of her cookies to Bob. Then Jill ...
 Math  A cookie recipe calls for 2/3 of a cup of flour and makes half a dozen ...
More Related Questions