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#10480

equations

word problem

hard

75 sec

A delivery truck is loaded with small packages and large packages. The total weight of $S$ small packages and $L$ large packages is 500 kg, described by the equation $15 S + 7 L = 500$ . What is the difference in weight, in kilograms, between a small package and a large package?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.