Lemon tarts

A baker made some lemon tarts. He sold 40% of the tarts in the morning, 2/5 of the remaining tarts in the afternoon and had 54 tarts left. How many tarts did he bake altogether?

Final Answer:

n =  150

Step-by-step explanation:

a=40%=10040=52=0.4 r=1a=152=51 552=5552=552=53=0.6  b=52 r=52 53=5 52 3=256=0.24  a n+b n+54=n 0.4 n+0.24 n+54=n  0.36n=54  n=0.3654=150  n=150   Verifying Solution:  A=a n=52 150=52 150=5300=60 B=52 (nA)=52 (15060)=36 C=nAB=1506036=54



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