xyxenpaiz5446 xyxenpaiz5446
  • 05-09-2018
  • Mathematics
contestada

Half of your baseball card collection got wet and was ruined. You bought 9 cards to replace some that were lost. How many did you begin with if you now have 20?

Respuesta :

nuuk nuuk
  • 14-09-2018

solution:

n/2 + 9 = 20

n/2=20-9

n/2=11

n=22

Answer Link

Otras preguntas

josh wanted to buy a bicycle but didn't have enough money. After josh told his troubles to sam slick, sam said,"I can fix that. see that fence? each time you ju
A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l
What's 5 divided by x squared explain
Forget the motor When im on the boat Think of the best time To buy a new coat What am I......?
Factor the expression. If the expression cannot be factored, say so.
Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
What were the contributions of the Harappan civilization?
What is the creepiest sounding scale? What scale would u use for writing creepy music in other words
Forget the motor When im on the boat Think of the best time To buy a new coat What am I......?
What's 5 divided by x squared explain