<span>1. The problem says that the is ratio 1:3:5 by weight and Talil wants to make 180 kg of concrete mix.
2. Therefore, you have:
1+3+5=9
180 kg/9=20 kg
3. Each of the 9 parts of the ratio weights 20 kg. So, to make 180 kg of concrete mix, he needs:
1x20 kg=20 kg of cement
3x20 kg=60 kg of sand
5x20 kg=100 kg of gravel
4. Talil has:
15kg of cement (Not enough)
85kg of sand (More than enough)
100kg of gravel (Enough)
</span><span>
Does Talil have enough cement , sand and gravel to make concrete mix?
</span><span>
The answer is: No, she does no have </span>enough cement , sand and gravel to make concrete mix.
Need more information to answer the question
<span>6/3+(-1/3)
</span><span>= 6/3-1/3
= 5/3
= 1 2/3</span>
Step-by-step explanation:
2(4x + 1) < 3(2x - 3)
8x + 2 < 6x - 9
8x - 6x < -9 -2
2x < -11
x < -11/2
