tkadomatsu tkadomatsu

02-03-2021
Mathematics

contestada

a dance club spent $922 on 40 items.The item include some hats and pairs of shoes.Each hat cost $19 and each pair of shoes cost $25.How many pairs of shoes did the dance club buy?

Respuesta :

boyerbrianna9 boyerbrianna9

02-03-2021

1. H+S=40

2. 19H+25S=922

From 1,

19H+19S=760

Subtract this from 2 to eliminate H,

19H+25S-19H-19S=922-760

6S=162

Solve for S, then use either equation to solve for H.

Answer Link

Otras preguntas

how do you find an unknown length in similar figure pairs

Two cars leave a town at the same time heading in opposite directions. One car is traveling 12 mph faster than the other. After 2 hours, they are 232 miles apar

Factorise fully. X^2 +6x+5

What might be an advantage of collecting evidence in a natural setting rather than in a lab?

What is the condition in which two different alleles are expressed equally when inherited ?

find the difference between 12.34 and 10.778. round the answer to the nearest tenths place

ben has 3 times as many guppies as goldfish. if he has a total of 20 fish, how many guppies does in have

does anyone know if 4 can go into 72

what materials where used to make the first gps

what does a trapezium look like