 
<translate> Sam nwere ọkara nke Chris: 6 / 2 = 3 teslas. Elon nwere 10 karịa Sam: 10 + 3 = 13 teslas. Azịza ikpeazụ ya bụ: 13. <eng> Sam has half the number of Chris: 6 / 2 = 3 teslas. Elon has 10 more than Sam: 10 + 3 = 13 teslas. The final answer: 13. 