Answer:
1. 30; 2. 6.25.
Explanation:
1. CE:CF=FD:DG; ⇒ 32/24=40/DG; ⇒ DG=30;
2. PQ:QM=RN:RM; ⇒ 5/8=RN/10; ⇒ RN=6.25.
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