More on fraction

21×5​

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee