Fabian, Gabriel, Justin and Julian bought a refrigerator for their aunt. Fabian paid
13 of what the rest paid. Gabriel paid
14 of what the rest paid. Justin paid
16 of what the rest paid. Julian paid $154 more than Fabian. How much did the refrigerator cost?
| Fabian |
Gabriel |
Justin |
Julian |
Total |
| 1x35 |
|
|
|
4x35 |
| |
1x28 |
|
|
5x28 |
| |
|
1x20 |
|
7x20 |
| 35 u |
28 u |
20 u |
57 u |
140 u |
The cost of the refrigerator is repeated. Make the cost of the refrigerator the same. LCM of 4, 5 and 7 is 140.
Amount that Julian had
= 140 u - (35 u + 28 u + 20 u)
= 57 u
Amount that Julian paid more than Fabian
= 57 u - 35 u
= 22 u
22 u = 154
1 u = 154 ÷ 22 = 7
Cost of the refrigerator
= 140 u
= 140 x 7
= $980
Answer(s): $980
