Question

Amy is experimenting to see how a truss (a type of support) can strengthen a bridge. Amy builds several models of bridges out of toothpicks. Each model has a different number of trusses. Amy suspends each model between two desks. She then adds lead weights to each bridge, one-by-one, until the bridge breaks. In the chart below, Amy recorded how many lead weights each bridge held before breaking.

Answer 1

Increasing the number of trusses increases the strength of the bridge

Step-by-step explanation:

Answer 2

Increasing the number of trusses increases the strength of the bridge.

Step-by-step explanation:

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