mr Leahy buys a 1/2 chocolate ,1/2 vanilla cake for $20. mrs Leahy values chocolate 4 times as much as vanilla. how much is the chocolate half worth to mrs Leahy ?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

Ineed on the last 8 questions for this homework i’m trying to get all this done by tuesday when i got to my level 5 teacher if i have passed my tabe