3 years ago

480kg into the ratio 1:3:4

Mathematics

2 answers:

bagirrra123 [75]3 years ago

5 0

Answer:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

how many molecules a species has

Step-by-step explanation:

dsk'fa

trasher [3.6K]3 years ago

5 0

Answer:

x = 60

Step-by-step explanation:

cement: 1x = 60kg

sand : 3x = 3*60 = 180kg

gravel : 4x = 4*60 = 240kg

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