Question

helpppp!!!!!!!!!!!!!!!!!!!!!
Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B

How many boxes of A would be required to make 30 grams of C? ________

Answer 1

2 boxes of A

Answer 2

how did u get that answer????

Answer 3

C=A+B
we know C has to be 30 so
30=A+B
i started by adding A and B which is 15
15 is only half of what we need so i multiplied it by 2
30=20+10
30=30
so you would need 2 boxes of each

Answer 4

ok thank u....

Answer 5

yeah my pleasure

Answer 6

2

Answer 7

Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B

How many grams of A would be needed to give the same number of particles:

as 7.5 grams of B? 1015205
as 2.5 grams? 1057.512.5
as 12.5 grams? 5037.52512.5
as 1 gram