Let's solve your equation step-by-step.<span><span>8−<span>4k</span></span>=40</span>Step 1: Simplify both sides of the equation.<span><span>8−<span>4k</span></span>=40</span><span><span><span>8+</span>−<span>4k</span></span>=40</span><span><span><span>−<span>4k</span></span>+8</span>=40</span>Step 2: Subtract 8 from both sides.<span><span><span><span>−<span>4k</span></span>+8</span>−8</span>=<span>40−8</span></span><span><span>−<span>4k</span></span>=32</span>Step 3: Divide both sides by -4.<span><span><span>−<span>4k</span></span><span>−4</span></span>=<span>32<span>−4</span></span></span><span>k=<span>−8</span></span>Answer:<span>k=<span>−<span>8
Using average makes these scores seem overall low: because it you add them up and divide them by the quantity you get 61.5 as the average which is low for a quiz grade
