pedro48
04.08.2019 •
Mathematics
What is the sum for this problem 2 2/3+ 3 2/3 =
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Ответ:
Ответ:
6 1/3 will be the answer
Step-by-step explanation:
Rewriting our equation with parts separated
=2+23+3+23
Solving the whole number parts
2+3=5
Solving the fraction parts
23+23=43
Simplifying the fraction part, 4/3,
43=113
Combining the whole and fraction parts
5+1+13=613
Ответ:
Step-by-step explanation:
Let say n the number of pennies in the jar.
n is a multiple of 7 : n=7*k
n-1 is a multiple of 2,3,4,5,6,8 so a multiple of the lcm= 120
n-1=120*t
n-1=120*t
n=7*k
120*t=7k-1
7k=120*t+1
The least number of pennies is 721 (when a=0)
Proof:
n-1=720
720/2=360
720/3=240
720/4=180
720/5=144
720/8=90
721/7=103