Answer:3/5Step-by-step explanation:QX/ RXThe length 4.8 is given for QX. To find the length of RX add 4.8+3.2. The length of RX is 8.Substitute 4.8 for QX and 8 for RX.4.8/ 8Then, simplify4.8 and 8 can both be divided by 1.6. This makes the final ratio 3/5.XY/XZThe length 9 is given for XY. To find the length of XZ add 9+6. The length of XZ is 15. Substitute 9 for XY and 15 for XZ.9/15Then, simplifyDivide 9 and 15 by 3 to simplify. This makes the final ratio 3/5.YQ/ZRThe length of YQ is 7.5, and the length of ZR is 12.5. Substitute 7.5 for YQ, and 12.5 for ZR.7.5/ 12.5Then, simplifyDivide 7.5 and 12.5 by 2.5 to simplify. This makes the final ratio 3/5