Question

vinay bought a cake and cut into three pieces.when he weighed the first piece he found that it was 7,g lightier than the second piece and 4g heavier than the third piece if the whole cake weighed 300g how did each of the three pieces weigh​

Answer 1

Answer:

95g

Step-by-step explanation:

Let the three pieces of cake be x,y,z.

y−x=7

x−z=4

Now, according to the question, we have

x+y+z=300

⇒4+z+7+x+z=300

⇒4+z+7+4+z+z=300

⇒3z+15=300

⇒3z=285

⇒z=  

3

285

​  

=95

∴ the lightest cake weighs z=95g