10x+20y=150 is the equation I don't quite understand how she would have money left because she spend $150 for her t-shirts and jeans.
Answer:
im not completely sure but i think its a
Step-by-step explanation:
Answer:
55 kg
Step-by-step explanation:
lose 2kg per 3 week
for 12 weeks
3×4=12
4×2=8
61-8=53
1kg per week gained for 2 weeks = 2kg
53kg + 2 kg =55kg
Hope you understand...
Answer:

Step-by-step explanation:
Notice that the value to be found (C) is the hypotenuse of a right angle triangle, therefore it can be obtained via the Pythagorean theorem:

In our case, the size of the legs of the triangle are given: "3" and "7", therefore:
