Mathematics
Mathematics, 19.12.2020 01:00, maddieb1011

Kevin and Amy are working on an experiment in the science lab. They start with 2.3 grams of oil and add water
to get exactly 4.21 grams of solution. To find the amount
of water added, they subtract the weight of the oil from the
weight of the solution. Kevin calculates the difference to
be 3.98 grams; Amy calculates it to be 1.91 grams.
Who is correct, and why?

( can someone plz plz help me I need this answer!!)

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, gghkooo1987
This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit
Answers: 3
image
Mathematics, 21.06.2019 22:00, nancysue1975
How many ordered pairs of positive integers satisfy xy=32?
Answers: 1
image
Mathematics, 22.06.2019 00:00, scottmn
What expression is equivalent to (84+16)
Answers: 1
image
Mathematics, 22.06.2019 03:50, AlexBeWare1210
Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.
Answers: 1
Do you know the correct answer?
Kevin and Amy are working on an experiment in the science lab. They start with 2.3 grams of oil and...

Questions in other subjects: