Answer:
71/40
Step-by-step explanation:
7/5*8/8=56/40+3/8*5/5= 15/40 so 15/40+56/40=71/40
Answer:
4
Step-by-step explanation:
price=Rs 80
discount=10 %
selling price of dozen pairs of gloves=80×90/100=Rs 72
with Rs 72 pair of gloves available=12
'' Rs 24 '' '' '' '' =12/72×24=4
To do this, change into common denominators. The common denominator is 21 so change the problem from 1/3 + 1/7 to 7/21 + 3/21. This gives you 10/21. It is already in simplest form.
5x-12=3x
Let's solve your equation step-by-step.
<span><span><span>5x</span>−12</span>=<span>3x
</span></span>Step 1: Subtract 3x from both sides.
<span><span><span><span>5x</span>−12</span>−<span>3x</span></span>=<span><span>3x</span>−<span>3x
</span></span></span><span><span><span>2x</span>−12</span>=0
</span>Step 2: Add 12 to both sides.
<span><span><span><span>2x</span>−12</span>+12</span>=<span>0+12
</span></span><span><span>2x</span>=12
</span>Step 3: Divide both sides by 2.
<span><span><span>2x/</span>2</span>=<span>12/2
</span></span><span>x=<span>6</span></span>
2 1/2 = x
1 = 4/5
2 = 8/5 = 1 3/5
1/2 = 2/5
1 3/5 + 2/5 = 2