Answer:
eggs four sugar
3 5 4
mass of eggs;
4=240
3=?
3x240/4
mass of eggs=180g
<em>mass of flour</em>
<em>4=240</em>
<em>5=?</em>
<em>5x240/4</em>
<em>mass of flour =300g</em>
Step-by-step explanation:
1234567890
Each of the digits is divisible by their individual index in the number. Adding a 0 at the ends allows for the number to be divisible by 10 and completes the 10 digit requirement.
No, 15/21 and 40/56 do not form a proportion.