ich sequence of transformations would result in a figure that is similar, but not congruent, to the original figure? Select all
1 answer:
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You have an English language sentence that we need to translate into Mathematics language.
English) (the product of a number and 9), (increased by 4), (is 58) Math) (Number x 4), (+ 7), (= -36) I put in the () to show you what parts go togetherCall the Number N, we can use anything (x,s, ...) but N makes sense (N x 4) + 7 = -36 Can you do the rest? subtract 7 from both sides, divide both sides my 4, there is the answer
English) (the product of a number and 9), (increased by 4), (is 58) Math) (Number x 4), (+ 7), (= -36) I put in the () to show you what parts go togetherCall the Number N, we can use anything (x,s, ...) but N makes sense (N x 4) + 7 = -36 Can you do the rest? subtract 7 from both sides, divide both sides my 4, there is the answer
Answer:
1365 rupees
Step-by-step explanation:
1. Approach
The easiest method to solve this problem is via the method of proportions. One can use a proportion to find the original price of the watch. Then one can find the price of the watch if the watch had a (30%) mark up, by using a proportion.
2. Find the original price
Remember, the general format of a proportion is the following:
The following information is given:
The watch sold for (1260) rupees which is (120%) of the original price. Remember, there was a (20%) gain, meaning that the seller recovered (120%) of the price, in essence, the price of the watch, plus (20%) extra, thus (120%). Substitute these values into the proportion and solve,
Simplify,
Cross product,
Simplify,
Inverse operations,
3. Find the price if the mark up is (30%)
Now, one knows the original price of the watch. Set up a proportion to find the price of the watch if there is a (30%) mark up. Use the same logic to set up this proportion as was used to set up the last one. The (percent) will be (130%) because the new price of the watch is (130%) of the original watch.
Substitute,
Simplify,
Cross products,
Simplify,
Inverse operations,
Thus, the price after the (30%) is (1365) rupees.