10/7 + ( 15/7 + 50/40 )
Answers
Answer:
From Foo's first statement, we know that X+Y cannot be the sum of two distinct primes. The prime sums under 100 are:
2+2=4, 2+3=5, 2+5=7, 2+7=9, 2+11=13, 2+13=15, 2+17=19, 2+19=21, 2+23=25, 2+29=31, 2+31=33, 2+37=39, 2+41=43, 2+43=45, 2+47=49, 2+53=55, 2+59=61, 2+61=63, 2+67=69, 2+71=73, 2+73=75, 2+79=81, 2+83=85, 2+89=91, 2+97=99, 3+2=5, 3+3=6, 3+5=8, 3+7=10, 3+11=14, 3+13=16, 3+17=20, 3+19=22, 3+23=26, 3+29=32, 3+31=34, 3+37=40, 3+41=44, 3+43=46, 3+47=50, 3+53=56, 3+59=62, 3+61=64, 3+67=70, 3+71=74, 3+73=76, 3+79=82, 3+83=86, 3+89=92, 5+2=7, 5+3=8, 5+5=10, 5+7=12, 5+11=16, 5+13=18, 5+17=22, 5+19=24, 5+23=28, 5+29=34, 5+31=36, 5+37=42, 5+41=46, 5+43=48, 5+47=52, 5+53=58, 5+59=64, 5+61=66, 5+67=72, 5+71=76, 5+73=78, 5+79=84, 5+83=88, 5+89=94, 7+2=9, 7+3=10, 7+5=12, 7+7=14, 7+11=18, 7+13=20, 7+17=24, 7+19=26, 7+23=30, 7+29=36, 7+31=38, 7+37=44, 7+41=48, 7+43=50, 7+47=54, 7+53=60, 7+59=66, 7+61=68, 7+67=74, 7+71=78, 7+73=80, 7+79=86, 7+83=90, 7+89=96, 11+2=13, 11+3=14, 11+5=16, 11+7=18, 11+11=22, 11+13=24, 11+17=28, 11+19=30, 11+23=34, 11+29=40, 11+31=42, 11+37=48, 11+41=52, 11+43=54, 11+47=58, 11+53=64, 11+59=70, 11+61=72, 11+67=78, 11+71=82, 11+73=84, 11+79=90, 11+83=94, 13+2=15, 13+3=16, 13+5=18, 13+7=20, 13+11=24, 13+13=26, 13+17=30, 13+19=32, 13+23=36, 13+29=42, 13+31=44, 13+37=50, 13+41=54, 13+43=56, 13+47=60, 13+53=66, 13+59=72, 13+61=74, 13+67=80, 13+71=84, 13+73=86, 13+79=92, 13+83=96, 17+2=19, 17+3=20, 17+5=22, 17+7=24, 17+11=28, 17+13=30, 17+17=34, 17+19=36, 17+23=40, 17+29=46, 17+31=48, 17+37=54, 17+41=58, 17+43=60, 17+47=64, 17+53=70, 17+59=76, 17+61=78, 17+67=84, 17+71=88, 17+73=90, 17+79=96, 19+2=21, 19+3=22, 19+5=24, 19+7=26, 19+11=30, 19+13=32, 19+17=36, 19+19=38, 19+23=42, 19+29=48, 19+31=50, 19+37=56, 19+41=60, 19+43=62, 19+47=66, 19+53=72, 19+59=78, 19+61=80, 19+67=86, 19+71=90, 19+73=92, 19+79=98, 23+2=25, 23+3=26, 23+5=28, 23+7=30, 23+11=34, 23+13=36, 23+17=40, 23+19=42, 23+23=46, 23+29=52, 23+31=54, 23+37=60, 23+41=64, 23+43=66, 23+47=70, 23+53=76, 23+59=82, 23+61=84, 23+67=90, 23+71=94, 23+73=96, 29+2=31, 29+3=32, 29+5=34, 29+7=36, 29+11=40, 29+13=42, 29+17=46, 29+19=48, 29+23=52, 29+29=58, 29+31=60, 29+37=66, 29+41=70, 29+43=72, 29+47=76, 29+53=82, 29+59=88, 29+61=90, 29+67=96, 31+2=33, 31+3=34, 31+5=36, 31+7=38, 31+11=42, 31+13=44, 31+17=48, 31+19=50, 31+23=54, 31+29=60, 31+31=62, 31+37=68, 31+41=72, 31+43=74, 31+47=78, 31+53=84, 31+59=90, 31+61=92, 31+67=98, 37+2=39, 37+3=40
Answer :
135/28
135/28step by step
135/28step by step1 Simplify 50/40 to 5/4
135/28step by step1 Simplify 50/40 to 5/4 10/7 + 15/7+ 5/4
135/28step by step1 Simplify 50/40 to 5/4 10/7 + 15/7+ 5/4 2.Simplify
135/28step by step1 Simplify 50/40 to 5/4 10/7 + 15/7+ 5/4 2.Simplify = 40+60+35/28
135/28step by step1 Simplify 50/40 to 5/4 10/7 + 15/7+ 5/4 2.Simplify = 40+60+35/28=135/8