Answer:
2x+1y
Step-by-step explanation:
because a variable (the letter) is always 1, in that case 1 + 1 is 2 and 1 x 1 is 1. but since x and y are two different letters you cannot add them. hoped that helped :)
First 1/5 is equivalent to 20% so to get 20% of both of them multiply by .2. so 400×.2=80 and 90×.2=18
Answer:
$11.25
Step-by-step explanation:
45/4=11.25
50
Mark brainliest please
Hope this helps you