<p>Matthew uses `3.5` meters of fabric for `5` meters of ribbon per costume he is making. </p><ul><li>Complete the double number line below to represent the amount of each material he will use for `1, 2, 3, 4, and 5` costumes.</li> <li>How much fabric will Matthew need if he has used `20` meters of ribbon?</li><li>How much ribbon will Matthew need if he has used `17.5` meters of fabric?</li></ul><selectivedisplay data-props='{"show_in_create":true, "show_in_problem_qa": true}'><DoubleNumberline data-props='{ "width": 320, "title_top": { "text": "Fabric (meters) " }, "title_bottom": { "text": "Ribbon (meters) " }, "points": [ { "position": 0, "label_top": { "type": "text", "text": "0" }, "label_bottom": { "type": "text", "text": "0" } }, { "position": 20, "label_top": { "type": "text", "text": "3.5" }, "label_bottom": { "type": "text", "text": "5" } }, { "position": 40, "label_top": { "type": "input", "text": " " }, "label_bottom": { "type": "text", "text": "10" } }, { "position": 60, "label_top": { "type": "input", "text": " " }, "label_bottom": { "type": "input", "text": " " } }, { "position": 80, "label_top": { "type": "text", "text": "14" }, "label_bottom": { "type": "input", "text": " " } }, { "position": 100, "label_top": { "type": "input", "text": " " }, "label_bottom": { "type": "input", "text": " " } } ]}'></DoubleNumberline ></selectivedisplay>