math 4th grade
posted by Mikayla .
Leah liked to balance objects she found around the house using the science kits she got for Christmas. She found that 3 identical apples and a 5gram weight exactly balanced with a 50gram weight.Leah said she could tell how much each apple weighed by solving the equation 3a+5=50. Prove Leah was correct by finding the weight of 1 apple.
Answer: A=________

math 4th grade 
Ms. Sue
3a+5=50
3a = 50  5
3a = 45
a = 15
Respond to this Question
Similar Questions

math
margarit liked to balance things. she balanced 3 pencil sharpeners and 2 one gram blocks with a 100 gram weight and another one gram block. she let x stand for the weight of one pencil sharpener and she claimed that x=30grams. was … 
math
Tanya is 12 years older than leah. Three years ago, Tanya was five times as old as leah. How old is leah? 
math
Lu Win likes to balance things. She balanced three 20 gram weights with a 10 gram weight and two new tubes of glue. How much did each tube of glue weigh? 
Math
Leah liked to balance objects she found around the house using the science kit she got for Christmas. She found that 3 identical apples and a 5gram weight exactly balanced a 50gram weight. Leah said she could tell how much each apple … 
Math
margarit liked to balance things. she balanced 3 pencil sharpeners and 2 one gram blocks with a 100 gram weight and another one gram block. she let x stand for the weight of one pencil sharpener and she claimed that x=30grams. was … 
Math
Margarit liked to balance things. She balanced 3 pencil sharpeners and 2 one gram blocks witha 100 gram weight and another one gram block. She let x stand for the weight of one pencil sharpener and she claimed that x=30 grams. Was … 
Math
Margarit liked to balance things. She balanced 3 pencil sharpeners and 2 onegram blocks with a 100 gram weight and another onegram block. She let x stand for the weight of one pencil sharpener and she claimed that x=30 grams. Was … 
Math
A onemeter rod is suspended at its middle so that it balances. Suppose onegram on the rod at the following distances from one end. 20cm 27cm 38cm 44cm 58cm 70cm 83cm 94cm Where must a one gram weight be hung so that the rod will … 
Math
A onemeter rod is suspended at its middle so that it balances. Suppose onegram on the rod at the following distances from one end. 20cm 27cm 38cm 44cm 58cm 70cm 83cm 94cm Where must a one gram weight be hung so that the rod will … 
math
Leah has 28 more marbles than Dan. 1/3 of Leah’s marbles is equal to 4/5 of Dan’s marbles. Find the number of marbles that Leah has.