+0

# Pls help

0
73
2

George bought 6 identical shoes and 3 identical shirts for \$348 if 2 pairs of shoes costs 3 times as much as a shirt ,find the cost of 25 such shirts.

Guest Dec 17, 2017
edited by Guest  Dec 17, 2017
Sort:

#1
+10763
+2

Given:    2 shoes = 3 shirts     and   6 shoes + 3 shirts = 348

Substitute:

3 shirts (3) + 3 shirts = 348

shirt = 29

then 25 shirts =   25 x 29 = 725.

(I should clarify that I ASSUMED  ' George bought 6 identical shoes'  means   '6 PAIRS' of shoes  in my calculation)

ElectricPavlov  Dec 17, 2017
edited by ElectricPavlov  Dec 17, 2017
#2
+1

If the cost of 1 shoe =S, and:

The cost of 1 shirt =s, then:

4S =3s, then:

s =4S/3, but we have:

6S +3s =348. Sub s into this..............(1)

6S + 3(4S/3) =348

6S + 4S = 348

10S = 348

S=\$34.80 - cost of 1 shoe, and:..............(2)

s =(4*34.80)/3

s=\$46.40 - cost of 1 shirt. So that:..............(3)

4 shoes(2pairs)*\$34.80 =3 shirts * \$46.40

\$139.20 = \$139.20, and subbing (2) and (3) into 1 above, we have:

6*\$34.80 + 3*\$46.40 =348

\$208.80 + \$139.20 = \$348.00, Therefore the cost of 25 shirts would be:

25 x \$46.40 =\$1,160.00

Guest Dec 17, 2017

### 30 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details